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Article 254 of comp.sources.misc:
Path: puukko!santra!tut!enea!mcvax!uunet!husc6!ukma!tut.cis.ohio-state.edu!mandrill!hal!ncoast!allbery
From: rsk@mace.cc.purdue.edu (Rich Kulawiec)
Newsgroups: comp.sources.misc
Subject: v03i076: Just for fun (something which once appeared on the net)
Message-ID: <8807101545.AA21634@mace.cc.purdue.edu>
Date: 10 Jul 88 15:45:48 GMT
Sender: allbery@ncoast.UUCP
Reply-To: rsk@mace.cc.purdue.edu (Rich Kulawiec)
Lines: 2008
Approved: allbery@ncoast.UUCP
Posting-number: Volume 3, Issue 76
Submitted-by: "Rich Kulawiec" <rsk@mace.cc.purdue.edu>
Archive-name: xmases
[Only half a year late... ;-) ++bsa]
I found this while doing some housecleaning in my account, and thought
it was marginally interesting enough to send along to you.
---Rsk
From: ded@aplvax.UUCP
Newsgroups: net.misc
Subject: Merry Christmas Programs
Organization: JHU/Applied Physics Lab, Laurel, MD
Well, here it is: the long awaited list of "Merry Christmas" programs.
If you are a crawled-out-from-under-a-rock sort of person and don't
know what's going on here, then you should read the following sentence:
I don't know what's going on here either. For some reason, I wanted
to collect a group of programs which print the phrase "Merry Christmas"
15 times. If you can figure out why I wanted to do this, please let
me know.
Thanks alot to all the nice folks who inundated me with mail. Some of
the submissions made extremely clever use of editors and utility languages
(I'm particularly fond of the UNIX shell script by Ben Hyde). A few errors
probably crept in due to transmission errors and my editing, and for that
I apologize (because you're probably gonna be swamped by a horde of
prepubescent fault finders).
Several of you requested that I (1) send you personal copies of the results,
(2) send you only the more interesting examples, or (3) send you a report
contrasting and comparing the various syntaxes. I lost all your names.
If you sent me a submission and it wasn't included, then it either duplicated
a previous entry or never arrived. I deleted many comments to save space.
In retrospect, that was probably a mistake.
--Don Davis
==========================================================================
/* 6502 assembly */
START LDX #$0F
LOOP1 LDY #$10
LOOP2 LDA MCDATA,Y
JSR $FDF0 (CHAROUT or something like that)
DEY
BPL LOOP2
DEX
BPL LOOP1
RTS
MCDATA ASC "
~ Kenn Frankel
...!sdcsvax!sdccs6!ix192
==========================================================================
/* Ada version */
with text_io; use text_io;
program print_merry_christmas is
begin
for i in 1..15 loop
put("Merry Christmas"); new_line;
end loop;
end print_merry_Christmas;
I tested the program using the SuperSoft/Maranatha Ada compiler.
-- Dave Norris
==========================================================================
/* Ada */
/* This program is merely an ordinary loop. It was developed by */
/* Rob Pearce of JHU/APL. Oh yes; Rob is English. */
1 with text_io; use text_io;
2
3 procedure number_a is
4
5 i_max:constant integer:=15;
6 type i_type is range 1..i_max;
7
8 package i_type_io is new integer_io(num=>i_type);
9
10 begin -- number_a
11 for i in i_type loop
12 i_type_io.put(item=>i,
13 width=>2);
14 put(" " &
15 "God save the Queen");
16 new_line;
17 end loop;
18 end number_a;
==========================================================================
/* Ada */
-- This program counts to 15, but does so via three "concurrently
-- executing" tasks. The output has been modified to be a single
-- character instead of the full "Merry Christmas" message. The
-- first task prints, sequentially, 0..4. The second prints, in
-- turn, 5..9; and the third sequentially prints A..E.
--
-- If we had used the full "Merry Christmas" line, then the three
-- concurrent tasks would have (almost certainly) interleaved their
-- respective character strings, and one would have not been able to
-- read any of the messages!
--
-- The program was developed by Rob Pearce of JHU/APL, and was run
-- on a validated Ada system, the NY University, Ada/ED. The machine
-- was a VAX-11/750 under typical loading. (Note the times; they're
-- about the same on an empty machine, too!) The listing has been
-- edited to remove the "uninteresting" lines and the #$^& control
-- characters.
-- Mars Gralia
-- 11/11/8
NYU ANSI-Ada/ED 1.1(11-Apr-83) FRI 11 NOV 83 09:27:31 PAGE 1
1 with text_io; use text_io;
2
3 procedure number_f is
4
5 task A;
6 task B;
7 task C;
8
9
10 task body A is
11
12 begin -- A
13 for ch in character range '0'..'4' loop
14 put(ch);
15 end loop;
16 end A;
17
18
19 task body B is
20
21 begin -- B
22 for ch in character range '5'..'9' loop
23 put(ch);
24 end loop;
25 end B;
26
27
28 task body C is
29
30 begin -- C
31 for ch in character range 'A'..'E' loop
32 put(ch);
33 end loop;
34 end C;
35
36
37 begin -- number_f
38 null;
39 end number_f;
No translation errors detected
Translation time: 69 seconds
NYU ANSI-Ada/ED 1.1(11-Apr-83) FRI 11 NOV 83 10:34:05 PAGE 1
Binding time: 3.3 seconds
Begin Ada execution
5A06B127C38D94E
Execution complete
Execution time: 51 seconds
I-code statements executed: 97
==========================================================================
/* Algol-60 */
begin comment Algol-60 version. "Print" is system defined;
integer i;
for i := 1 step 1 until 15 do Print("Merry Christmas")
end
-- chip elliott ...decvax!dartvax!chip
==========================================================================
/* Algol-68 */
BEGIN
TO 15
DO
print(("Merry Christmas",newline))
OD
END
-- Andrew Klossner (decvax!tektronix!tekecs!andrew) [UUCP]
(andrew.tektronix@rand-relay) [ARPA]
==========================================================================
/* APL */
__
\/ PROG ; S
___ __
[1] ! ! <- (15, pS) p S <- 'Merry Christmas' \/
---
Here's an APL version. Since APL uses more than the ASCII character set,
I had to fake it some. The triangle is the greek character 'del' (an
upside-down delta), the first symbol on line [1] is a 'quad', a
rectangular block, the '<-' is a left arrow, and the lower-case 'p'
is the greek character 'rho'. Have fun.
^-^ Bruce ^-^
==========================================================================
/* APL */
15 15 rho 'Merry Christmas'
(rho is the greek letter of that name, the reshape operator in APL)
That may not count, since it's more like an expression than a
program, but it will do what you asked for. I guess you could make
it a program if you wanted, as follows:
del merry
[1] 15 15 rho 'Merry Christmas'
del
(del is a little upside-down triangle)
Joe Ziegler
...ihnp4!pegasus!lzmi!ziegler
==========================================================================
/* APL */
Here is an APL Merry Christmas. Since APL uses a different chracter set,
I will use the following identifiers for non-ascii chracters:
RHO - greek letter rho
BOX - the rectangle or window character
ASGN - the back-arrow assignment character
TRI - upside-down triangle
TRI merry ; mesg
BOX ASGN (15,RHO mesg)RHO mesg ASGN "Merry Christmas"
TRI
---From some unknown person on the other side of uucp
==========================================================================
/* AWK */
awk 'BEGIN {for (i=1;i<=15;i++) print "Merry Xmas"}' /dev/null
From: seismo!mcvax!steven (Steven Pemberton)
==========================================================================
/* AWK */
(note that it wants some standard input):
BEGIN { for (i = 0; i < 15; i++) {
printf "Merry Christmas\n"
}
}
From: David Chase <rbbb@rice>
==========================================================================
/* B */
(not the predecessor of "C", by the way).
HOW'TO MERRY'CHRISTMAS:
FOR i IN {1..15}:
WRITE 'Merry Christmas' /
The string quote in B is used like the underscore in "C".
HOW'TO introduces a procedure declaration.
Indentation is used for grouping statements.
The slash is used in WRITE-commands to indicate a newline.
Actually, this definition should be followed by a call:
MERRY'CHRISTMAS
You could also write the body of the procedure instead of the call,
and then would have no need for the definition ("B" has no clear
notion of what a program is; usually it's a group of procedures
and functions living together in a workspace).
--
Guido van Rossum, "B Group",
Centre for Mathematics and Computer Science, (CWI, formerly MC), Amsterdam
{philabs,decvax}!mcvax!guido
==========================================================================
/* Applesoft BASIC */
10 FOR I = 1 TO 10 : PRINT "MERRY CHRISTMAS" : NEXT I
---From some unknown person on the other side of uucp
==========================================================================
/* Basic-Plus (DEC Basic on RSTS/E) */
10 ! Merry Christmas program &
! Written by David Kaufman for Usenet survey
20 For I = 1 to 15 \ &
Print "Merry Christmas" \ &
Next I
30 End ! Optional, but helps reloading command
Merry Christmas!
David Kaufman
...decvax!yale-comix!kaufman
==========================================================================
/* BASIC */
1000 i=0
1010 if i=15 then goto 1050
1020 print 'Merry Christmas'
1030 i = i+1
1040 goto 1010
1050 end
That's All
Dave Wargo
UCSD
==========================================================================
/* bc */
bc<<!
for(i=19^83;i<=19^83+14;i++) "Merry Christmas
"
!
--unknown hacker
==========================================================================
/* BCPL */
// Cambridge IBM implementation
get "libhdr"
let start(parm) be $(
selectoutput(findoutput("sysprint"))
for i := 1 to 15 do writef("Merry Christmas*N")
$)
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* BCPL */
GET "libhdr"
LET start() BE
FOR index = 1 TO 15 DO writes("Merry Christmas*n")
From: jd@ukc.UUCP
Organization: Computing Lab. Kent University, England
==========================================================================
/* Bliss-11 */
module Christmas =
begin \Main\
external MsgScan;
local i;
incr i from 1 to 15 do
MsgScan( uplit asciz "Merry Christmas%C" );
end \Main\
eludom
From: leiby
==========================================================================
/* C */
main()
{
int i;
for (i=0; i<15; i++)
printf("Merry Christmas\n");
}
by Don Davis
==========================================================================
/* CDC 6000-type assembly */
IDENT MERRY
ENTRY MERRY
SYSCOM B1
OUTPUT FILEB OBUF,101B,FET=8
OBUF BSS 101B
COUNT DATA 14
MERRY SB1 1
MERRY1 WRITEC OUTPUT,(=C*MERRY CHRISTMAS*)
SA1 COUNT
SX6 X1-1
SA6 COUNT
NZ X1,MERRY1
WRITER OUTPUT,R
ENDRUN
END MERRY
Jeff Lee
CSNet: Jeff @ GATech ARPA: Jeff.GATech @ CSNet-Relay
uucp: ...!{sb1,allegra,ut-ngp}!gatech!jeff ...!duke!mcnc!msdc!gatech!jeff
==========================================================================
/* CGOL */
( an extensible language that translates into MACLISP)
for i in 1 to 15 do print "Merry Christmas"<ESC>
The value of this expression is nil, if you really want a list of them,
for i in 1 to 15 collect "Merry Christmas"<ESC>
Garret Swart
==========================================================================
/* CLI */
To print Merry Christmas 15 times under Data General's CLI's (command line
interpreters):
RDOS, RTOS, DOS: MESSAGE Merry Christmas(,,,,,,,,,,,,,,,)
AOS, AOS/VS: write Merry Christmas(,,,,,,,,,,,,,,,)
(for your information, the parenthesis indicate that the command will be
executed multiple times, with possible subsitutions, so "write a(b,c) d" would
write two lines: "abd" and "acd". Since nothing is substituted, the same
command is executed 15 times. BTW, write can be abreviated to "wr", "wri", ...)
Michael Meissner
Data General Corporation
...{allegra, decvax!ittvax, rocky2}!datagen!mrm
==========================================================================
/* CLU */
start_up = proc ()
po: stream := stream$primary_output ()
for i: int in int$from_to (1, 15) do
stream$putl (po, "Merry Christmas")
end
end start_up
Happy Hacking!
Russell Finn
{decvax, eagle, mit-eddie}!mit-vax!russ
RUSS%MIT-VAX@MIT-ML
==========================================================================
/* CLU */
(Liskov, August 1977 CACM)
start_up = proc ()
for i: int in int$from_to(1, 15) do
stream$putl(stream$primary_output(), "Merry Christmas")
end
end start_up
Original-From: J. Dean Brock <brock@unc>
==========================================================================
/* COBOL */
IDENTIFICATION DIVISION.
PROGRAM-ID. XMASPRINT.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
SOURCE-COMPUTER. UNIVAC-1110.
OBJECT-COMPUTER. UNIVAC-1110.
DATA DIVISION.
PROCEDURE DIVISION.
0000-MAIN.
PERFORM 10-PRINT 15 TIMES.
STOP RUN.
10-PRINT. DISPLAY 'Merry Christmas' UPON PRINTER.
From: seismo!decvax!sdcsvax!ittvax!dcdwest!noscvax!kemp
==========================================================================
/* Cprolog */
/* Write Merry Christmas 15 times in 4.1bsd Cprolog
* To execute, get into prolog, then issue the commands:
* |?- ['xmas.p'].
* |?- xmas.
*/
xmas :- name(Text,"Merry Christmas") , writeline(Text,15).
writeline(_,0).
writeline(Text,N) :- write(Text) , nl , M is N - 1 , writeline(Text,M).
From: seismo!decvax!microsof!ubc-vision!mprvaxa!tbray
==========================================================================
/* dBASEII */
store 0 to number
do while number < 15
? "Merry Christmas"
store 1+number to number
enddo
release number
From: seismo!philabs!sbcs!BNL!jeffy
--Jeff M.
==========================================================================
/* dBASE II */
SET TALK OFF
STORE 0 TO counter
DO WHILE counter < 15
@ counter, 0 SAY "Merry Christmas"
STORE counter + 1 TO counter
ENDDO
RETURN
From: mike@uokvax.UUCP
==========================================================================
/* 'csh' command version */
repeat 15 echo Merry Christmas
Original-From: Bruce Israel <israel@umcp-cs>
==========================================================================
/* DCL (VAX/VMS shell) */
$ i = 1
$ loop:
$ if i.gt.15 then goto done
$ write sys$output "Merry Christmas"
$ i = i + 1
$ goto loop
$ done:
$ exit
From: David Chase <rbbb@rice>
==========================================================================
/* DCL */
And (as I noticed that Un*x shell scripts were on your list, and in
the interest of equal time) here it is in DCL (Digital Command
Language, a CLI which runs on many DEC machines -- I cut my teeth on
VAX/VMS):
$ i = 1
$ loop:
$ write sys$output "Merry Christmas"
$ i = i + 1
$ if i .le. 15 then goto loop
$ exit
Happy Hacking!
Russell Finn
{decvax, eagle, mit-eddie}!mit-vax!russ
RUSS%MIT-VAX@MIT-ML
==========================================================================
/* DDL */
Here is a Merry Christmas program written in DDL. Yes DDL, the Dungeon
Definition Language from UCLA. I have included a makefile
in case you have never seen this stuff before.
*********************** xmas.ddl *************************
VAR count;
(count) = 1;
Greetings = ( WHILE ( $lt @count 15 ) :
( $setg count ( $plus 1 @count ))
( $say "Merry Christmas\n")
)
($spec 3 0 0 0 0);
START = ($sdem Greetings);
*********************** makefile *************************
xmas:
/usr/src/games/ddl/ddlcomp tiny < tiny.ddl > ddlcomp.out
To run it type the following
`/usr/games/lib/ddlrun xmas'
- Joel
==========================================================================
/* ed */
ed - /etc/passwd<<!
1,15g/./s/.*/Merry Christmas/p
q
!
From: seismo!mcvax!steven (Steven Pemberton)
==========================================================================
/* ed */
(UNIX 'standard' line editor):
a
Merry Christmas
.
t.
t.
t.
t.
t.
t.
t.
t.
t.
t.
t.
t.
t.
t.
t.
1,$p
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* Concurrent-Euclid */
------------------
var xmas :
module
include '%IO'
initially
imports (var IO)
begin
var i : ShortInt := 0
loop
IO.PutString ('Merry Christmas$N$E')
i := i + 1
exit when i = 15
end loop
end
end module {xmas}
------------------
Stephen Perelgut Computer Systems Research Group University of Toronto
Usenet: {linus, ihnp4, allegra, decvax, floyd}!utcsrgv!perelgut
==========================================================================
/* Concurrent Euclid */
var MerryChristmas :
module
include '%IO'
initially
imports (var IO)
begin
var i: SignedInt := 15
loop
IO.PutString('Merry Christmas$N$E')
i := i - 1
exit when i = 0
end loop
end
end module
From utcsrgv!utai!rayan
==========================================================================
/* EYE */
Since you said "the more obscure the better", here is the program written in
EYE, a language which was implemented by Kuck & Associates, Inc. of
Champaign, Illinois as an implementation language for writing a large piece
of software.
program yule_tidings is
constant number_of_times_to_print_merry_christmas : integer = 15;
begin( yule_tidings )
for i:integer = 1 to number_of_times_to_print_merry_christmas
loop( print_merry_christmas )
put( 'Merry Christmas' | );
endloop( print_merry_christmas );
end( yule_tidings );
Jim Davies
{pur-ee parsec}!uiucdcs!uiuccsb!davies
==========================================================================
/* FRED */
(a text editor)
u15 jm Merry Christmas
From: decvax!watmath!ljdickey
==========================================================================
/* Forth */
(Forth)
15 0 DO ."Merry Christmas" CR LOOP
Adam Reed
AT&T Information Systems
ihnp4!hogpc!pegasus!lzmi!adam
==========================================================================
/* Forth */
: greetings cr 0 do ." Merry Christmas" cr loop ;
15 greetings
Dave Seaman
..!pur-ee!pucc-k:ags
==========================================================================
/* Fortran? */
If you want an obscure solution, try the following Fortran
on a VAX. It works on BSD4.1, BSD4.1c and System V.
integer table(12)
data table/248514560, -552542885, 4847, -83763968
1, 323331, 1542717440, 1260, 1292108988
2, 2037543525, 1919435552, 1836348265, 684897/
call out(table)
end
subroutine out(code)
external code
call code
return
end
--
Griff Smith AT&T Bell Laboratories, Murray Hill
Phone: (201) 582-7736
Internet: ggs@ulysses.uucp
UUCP: ulysses!ggs
==========================================================================
/* Fortran 77 */
program yule
parameter (nwish = 15)
c
do 1 i = 1,nwish
1 print*,'Merry Christmas'
c
end
Jim Davies
{pur-ee parsec}!uiucdcs!uiuccsb!davies
==========================================================================
/* FP */
(Backus' Functional Programming Language):
(Using the syntax of Scott Baden's UNIX implementation)
; MC prints the string 'Merry Christmas' 15 times when applied
; to any argument and returns T.
{MC %T @ out @ &%"Merry Christmas\n" @ iota @ %15}
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* GPSS */
SIMULATE
GENERATE 1
TERMINATE 1
START 15,,1
REPORT
TEXT MERRY CHRISTMAS
END
---From some unknown person on the other side of uucp
==========================================================================
/* IBM 370 assembly */
How about this one (IBM 370 assembler running VM/VPS - a local hack at Boston
University):
xmas csect
stm r14,r12,12(r13)
lr r12,r15
using xmas,r12
st r13,savearea+4
la r13,savearea
*
* Initialize counter
*
xmasloop ds 0h
la r2,15 Print it 15 times
qio rb=xmasrb Print "Merry Christmas"
bct r2,xmasloop
l r13,4(,r13) Restore registers
lm r14,r12,12(r13)
br r14 Return to OS
xmasrb qiorb ddname=sysprint,bufad=xmasmsg,lrecl=l'xmasmsg
xmasmsg dc c' Merry Christmas' Don't forget carriage control
end xmas
If that isn't obscure, I don't know what is.
---Sender: reg@ima!vaxine.UUCP
==========================================================================
/* Icon */
# write "Merry Christmas" 15 times on standard output
procedure main()
every 1 to 15 do write("Merry Christmas")
end
"1 to 15" is a generator which produces the sequence 1..15;
"every X do Y" evaluates Y for each value of X;
write() writes a line of text.
Randy Hudson
decvax!cca!ima!inmet!rgh
==========================================================================
/* Icon (Version 5) */
procedure main()
every write(|"Merry Christmas") \ 15
end
The more canonical solution is:
procedure main()
every 1 to 15 do
write("Merry Christmas")
end
but obviously isn't as devious.
---Bill Mitchell
==========================================================================
/* Imp80 */
%begin
%integer index
%for index = 1, 1, 15 %cycle
Print String("Merry Christmas")
New Line
%repeat
%end %of %program
From: jd@ukc.UUCP
Organization: Computing Lab. Kent University, England
==========================================================================
/* The Kent Recursive Calculator */
there you are, here is the merry christmas program in my favourite
language, krc (The Kent Recursive Calculator),
a teaching and research applicative language used at the University of
Kent, Canterbury, UK.
the syntax is annexed and requests for the full formal description
of the language (syntax+semantics) will be considered.
the program is:
print 0 = []
print n = "Merry Christmas":nl:print (n-1)
and the command to run it (in the interpreter) is
print 15!
silvio lemos meira
computing lab
university of kent at canterbury
...vax135!ukc!srlm
SYNTAX...
(note: space is limited, but the syntax is available upon request;
just send me a stamped, self-addressed antelope -- Don Davis)
==========================================================================
/* LISP */
(do ((i 0 (add1 i)))
((eq i 15))
(msg "Merry Christmas" N))
Dave Seaman
..!pur-ee!pucc-k:ags
==========================================================================
/* Scheme or Maclisp or Franz Lisp */
;
(do ((i 0 (+ i 1)))
((= i 15))
(princ "Merry Christmas")
(terpri) ;new line
)
-- chip elliott ...decvax!dartvax!chip
==========================================================================
/* MTS Lisp */
(repeat '( print '"Merry Christmas") 15) # MTS Lisp.
Bruce Wilcox, Intermetrics Inc.
==========================================================================
/* LSRHS Logo */
(from the Usenix82 tape):
to greet :n
10 if :n >1 then greet (:n - 1)
20 print [Merry Christmas]
end
greet 15
From: seismo!decvax!trw-unix!trwspp!urban (Mike Urban)
==========================================================================
/* Logo */
repeat 15 [print "Merry\ Christmas]
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* LSE */
Here's a language you probably have never heard of... LSE (Langue
Symbolique d'Instruction, or Symbolic Language of Instruction). I
used it on some ancient machine in France (of French make) and it is
roughly parallel to BASIC translated to French. It sure isn't my
favorite, but it's interesting...
10 pour i = 1 jusqua 15 faire 20
20 afficher "Merry Christmas"
Philippe Lacroute
..decvax!sun!cochon
==========================================================================
/* m4 */
define(`merry',`ifelse(eval($1),eval(0),,Merry Christmas
`merry'(eval($1-1)))')dnl
merry(15)dnl
Joseph L. Wood, III
AT&T Information Systems
Laboratories, Holmdel
(201) 834-3759
ariel!jlw
==========================================================================
/* MACSYMA */
doit() := for i:1 thru 15 do print("Merry Christmas")$
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* make */
If you use the following as the description file for 'make', it
will satisfy your requirement. Make can be considered a language
interpreter, so what the heck.
---------------------- cut ------- here -----------------------------------
.SILENT:
foo_._bar_ : # some name unlikely to already exist
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
echo merry christmas
---From some unknown person on the other side of uucp
==========================================================================
/* A Maryland Text Editor procedure */
---------------------------------
let a=0
next:test a<15
escape
dis 'Merry Christmas'
let a=a+1
jump next
From: seismo!decvax!sdcsvax!ittvax!dcdwest!noscvax!kemp
==========================================================================
/* Mesa 5.0 */
-- Here it is in Mesa 5.0; good luck trying to find an Alto or a D-machine
-- on which to run it.
DIRECTORY
IODefs: FROM "iodefs" USING [WriteLine];
MerryChristmas: PROGRAM IMPORTS IODefs =
BEGIN
i: INTEGER; -- loop index
FOR i IN [0..15) DO -- print the message 15 times
WriteLine["Merry Christmas"]; -- this is the message, and the
-- procedure WriteLine[] provides
-- the carriage return
ENDLOOP; -- go back and do it again
END. -- all done
-- Patrick Olmstead
-- ...ucbvax!menlo70!sytek!olmstead
-- ...decvax!sytek!olmstead (when decvax answers the phone)
==========================================================================
/* MIX */
*
* THIS PROGRAM WILL PRINT "MERRY CHRISTMAS" 15 TIMES
*
LP EQU 18 CARD PUNCH DEVICE
*
MSG ALF MERR DON'T FORGET THE BLANK SPACE FOR CCTL
ALF Y CHR
ALF ISTMA
ALF S
ORIG *+20
*
START EQU *
ENT1 0 INITIALIZE COUNTER
*
LOOP EQU *
OUT MSG(LP) WRITE IT OUT
JBUS *(LP) WAIT ON I/O
INC1 1 R1 := R1 + 1
CMP1 =15= IF (R1 = 15)
JE DONE THEN DONE
JMP LOOP ELSE DO IT AGAIN
*
DONE EQU *
HLT AND A HAPPY NEW YEAR
END START
--
Theodore Hope
School of ICS, Georgia Tech, Atlanta GA
CSNet: Hope @ GaTech ARPA: Hope.GaTech @ CSNet-Relay
uucp: ...!{akgua,allegra,rlgvax,sb1,unmvax,ut-ngp,ut-sally}!gatech!Hope
==========================================================================
/* MLisp */
(Gosling's Emacs editor extension language):
(provide-prefix-argument 15 (insert-string "Merry Christmas\n"))
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* Modula-2 */
Module cheers;
ODULEcheers;
FROM InOut IMPORT WriteLn, WriteString;
VAR
i :CARDINAL;
BEGIN
FOR i := 1 TO 15 DO
WriteString('Merry Christmas');
WriteLn;
END; (*FOR I*)
END cheers.
From: seismo!decvax!decwrl!amd70!fortune!dsd!mush
==========================================================================
/* MTS editor */
* And here is a weird one written in the MTS editor
*
* the @verify@-lnum says to print the new line without linenumber
* '*' refers the current line number.
*
insert "merry christmas" @verify@-lnum
copy * to * copies=14 @verify@-lnum
---From: seismo!cmcl2!floyd!ihnp4!alberta!stephen
==========================================================================
/* Mystery Language */
(Author did not include name and I don't recognize it)
MODULE Greetings;
FROM Terminal IMPORT WriteString, WriteLn;
VAR i: CARDINAL;
BEGIN
FOR i:=1 TO 15 DO
WriteString("Merry Christmas");
WriteLn;
END; (*for*)
END Greetings.
From: seismo!decvax!decwrl!amd70!dual!proper!opje
==========================================================================
/* Newspeak */
(defproc merry-xmas () (values)
(do ((i 1 (1+ i)))
(print "Merry Christmas")
(exit-do-if (= i 15))))
From: John Foderaro (on an h19-u) <ucbvax!ucbkim:jkf>
==========================================================================
/* nroff */
.nr i 15+1 1
.de MC
.if \\n-i \{ .tl ''Merry Christmas''
. MC \}
..
.MC
R. Drew Davis pyuxbb!drew
==========================================================================
/* OOPC */
(an object-oriented preprocessor for C):
main()
{
int i;
for (i=0; i<15; i++)
printf("Merry Christmas\n");
}
If it looks a lot like C, that's because it is. The object-oriented features
are only used when you're dealing with objects (you can use C wherever
you want).
Karl Freburger
decvax!ittvax!freb
==========================================================================
/* OPS5 */
; A program to print Merry Christmas 15 times, in OPS5.
; OPS5 is a simple AI/expert systems language for writing
; production systems in.
(literalize counter value) ; Analogous to a record declaration.
; The program: A single production.
(p print-one-merry-christmas ; if
(counter ^value {<c> > 0}) ; counter.value > 0
--> ; then
(write (crlf) Merry Christmas) ; write("Merry christmas");
(modify 1 ^value (compute <c> - 1))) ; counter.value -:= 1;
(make counter ^value 15) ; Create a counter with value=15
(watch 0) ; No tracing.
(run) ; Go for it.
; Ben Hyde, Intermetrics Inc.
==========================================================================
/* Pascal */
program yuletidings (output);
const
numberofwishes = 15;
var
i : integer;
begin
for i := 1 to numberofwishes do
writeln('Merry Christmas');
end.
Jim Davies
{pur-ee parsec}!uiucdcs!uiuccsb!davies
==========================================================================
/* PDP-11 assembler */
(under RT-11)
.TITLE MERRY XMAS
.IDENT /R M/
.NLIST BEX
.DSABL GBL
.ENABL LC
.MACLL .PRINT, .EXIT
MERRY::
MOV #15.,R4 ;set up the print count
.PRINT #MSG1 ;print the message
SOB R4,MERRY ;loop until finished
.EXIT ;return to RT-11
MSG1: .ASCIZ /Merry Christmas !!!/
.EVEN
.END MERRY
From: seismo!utah-cs!pwa-b!miorelli
==========================================================================
/* PDP-11 assembler */
(under UNIX)
mov $15.,r4
1:
mov $1,r0
sys write; 2f; 3f-2f
bcs 1f
sob r4,1b
clr r0
1:
sys exit
.data
2: <Merry Christmas\n\0>
3:
Jim McKie Mathematisch Centrum, Amsterdam ....mcvax!jim
==========================================================================
/* PL/I version. ANS PL/I, subset G. */
merry: proc options(main);
dcl i fixed binary;
do i = 1 to 15;
put skip edit('Merry Christmas') (a);
end;
end merry;
-- chip elliott ...decvax!dartvax!chip
==========================================================================
/* PL/1 */
START: PROC OPTIONS(MAIN);
DCL I FIXED BINARY(15); /* LONG FORM; SAME AS DCL I; */
DO I = 1 TO 15;
PUT EDIT ("Merry Christmas");
END;
END START;
julie
seismo!philabs!jah
==========================================================================
/* PL/1 */
yule: proc options(main);
%numwish = '15';
do i = 1,numwish;
put skip list('Merry Christmas');
end;
end yule;
Jim Davies
{pur-ee parsec}!uiucdcs!uiuccsb!davies
==========================================================================
/* Pr1me assembly */
SEG
RLIT
SUBR PRINT
LINK
PRINT ECB START
DYNM COUNT
PROC
START LDA =15
STA COUNT
START1 LDA COUNT
BEQ DONE
S1A
STA COUNT
CALL TNOU
AP =C'Merry Christmas',S
AP =15,SL
JMP START1
DONE PRTN
END
Jeff Lee
CSNet: Jeff @ GATech ARPA: Jeff.GATech @ CSNet-Relay
uucp: ...!{sb1,allegra,ut-ngp}!gatech!jeff ...!duke!mcnc!msdc!gatech!jeff
==========================================================================
/* Prolog */
hello(0) :- !.
hello(N) :- M is N - 1, print("Merry Christmas"), hello(M), !.
hello(15)!
(I'm just learning prolog, so my apologies if the style is wrong.)
Aloke Prabhakar
prabhaka@BERKELEY
ucbvax!prabhaka
==========================================================================
/* Prolog */
wmc:- countmc(15).
countmc(0).
countmc(Count):- write('Merry Christmas'), nl, Ncnt is Count-1, countmc(Ncnt).
--Peter Borgwardt, U. of Minnesota
borgward.umn-cs@rand-relay
==========================================================================
/* REVE */
(Equational-programming/term-rewriting system):
(Has no I/O. This will look like
merry_christmas(merry_christmas(...))
Also, to avoid having to specify 15 as the fifteenth successor of zero,
we define addition and multiplication.)
(x + 0) == x
(x + s(y)) == (s(x) + y)
(x * 0) == 0
(x * s(y)) == (x + (x * y))
mc(s(0)) == merry_christmas
mc(s(s(x))) == merry_christmas(mc(s(x)))
mc( (s(s(s(0))) * s(s(s(s(s(0)))))) )
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* *roff */
Well, the most natural choice for Merry Christmas is of course:
V/N/T/DIT/roff.
This will print it on the standard output, It will give you an extra blank line,
sorry about that.
.fp 1 MC
.pl 1
.nf
.nr l 0 +1
.de mm
.if \\n+l=15 .rm mm
Merry Christmas
.mm
..
.mm
The font MC is of course your local ``Merry Christmas font''; all the characters
are built from christmas trees.
If you don't want the extra newline you can use the error output:
.de mm
.if \\nk=14 .ab Merry Christmas
.nr k +1
.tm Merry Christmas
.mm
..
.mm
Of course, you loose the nice look of the MC font.
There are of course about a dozen other ways to use troff for this.
-- jaap akkerhuis (mcvax!jaap)
==========================================================================
/* QC */
/*
* This program is written in the language QC (quick & clean), a
* descendant of QD (quick & dirty). Both languages were written by
* Chris Grey for 370/ systems runing MTS (a user-friendly operating
* system).
*/
proc main():
int I;
extern printf;
for I from 1 upto 15 do
printf("Merry Christmas")
od
corp
---From: seismo!cmcl2!floyd!ihnp4!alberta!stephen
==========================================================================
/* sed script */
echo 'Mery Chistma' |
sed '
s/\(..\)\(.\)\(....\)\(.\)\(.\)\(...\)/\1\2\2\3\2\4\5\6\5/
h;G;G
s/$/\
/
s/.*/&&&&&/
'
From: seismo!decvax!ucbvax!reed!phillips
==========================================================================
/* SETL */
(Doesn't use any of the interesting features of the language):
definef main();
(1 <= forall i <= 15) print('Merry Christmas');
end main;.
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* XEROX sigma-7 assembler */
(running under CP-V)
SYSTEM SIG7
SYSTEM BPM
REF M:LO
BUFR TEXT 'MERRY CHRISTMAS'
START LI,4 15
M:WRITE M:LO,(BUF,BUFR),(SIZE,15)
BDR,4 START+1
M:EXIT
END START
or, you can avoid loading the BPM macro's by doing your own FPT
SYSTEM SIG7
REF M:LO
BUFR TEXT 'MERRY CHRISTMAS'
FPT GEN,8,24 X'11',M:LO
GEN,4,28 3,X'10'
DATA BUFR
DATA 15
START LI,4 15
CAL1,1 FPT
BDR,4 START
CAL1,9 1
END START
Bob McQueer
druxt!mcq
==========================================================================
/* Smalltalk-80 */
output <- WriteStream on: (String new: 10).
1 to 15 do: [
output nextPutAll: 'Merry Christmas'.
output cr
].
output contents.
Select this from the screen and hit 'printIt', and out comes the message.
From: seismo!decvax!ittvax!freb
==========================================================================
/* Smalltalk-80 */
merryChristmas: aStream
"Prints 'Merry Christmas' on aStream 15 times."
15 timesRepeat:
[aStream
nextPutAll: 'Merry Christmas';
cr
]
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* Snobol-3 */
(Snobol-4?? What's that? We use Snobol-3 here.)
* S.D.S. TSS SNOBOL-3
N = 1
LOOP LOUT = 'MERRY CHRISTMAS'
N = .LT(N,15) N + 1 /S(LOOP)F(.EXIT)
From: seismo!rochester!rocksvax!sunybcs!colonel
==========================================================================
/* Snobol 4 */
* Snobol 4 version. Not very elegant!
*
i = 1
a: output = 'Merry Christmas'
i = i + 1
le(i,15) :s(a)
-- chip elliott ...decvax!dartvax!chip
==========================================================================
/* SPEED editor */
To print Merry Christmas 15 times using the SPEED editor from Data General
(SPEED is a TECO-like editor, $ will represent an escape character, ^D will
represent a control-D):
15<iMerry Christmas
$>$#t$#k$h^D
Michael Meissner
Data General Corporation
...{allegra, decvax!ittvax, rocky2}!datagen!mrm
==========================================================================
/* SPL/3000 */
$Control Uslinit
Begin
Byte Array
Msg (0:14) := "Merry Christmas";
Integer
I;
Intrinsic
Print, Terminate;
For I := 1 UNTIL 15 Do
Print (Msg, -15, 0); << 15 bytes, no CCTL >>
Terminate;
End.
From: seismo!harpo!ihnp4!clyde!akgua!emory!gatech!hope
==========================================================================
/* Stage 2 */
#$#$0 (+-*/)
END#
$F0#
#
$#
$10$F7#
Merry Christmas$F15#
$F8#
##
15
END
---Written and Contributed by Tom Almy, Tektronix, Inc.
==========================================================================
/* Stoic */
15 0 DO "Merry Christmas&15&" MSG LOOP
---Written and Contributed by Tom Almy, Tektronix, Inc.
==========================================================================
/* TECO */
15<^AMerry Christmas
^A>$$
(where '$' is an Escape, and ^A is a control-A)
---Written and Contributed by Tom Almy, Tektronix, Inc.
=======================================
/* TECO */
(Text Editor COrrector)
15<^AMerry Christmas
^A>$$
note: ^A is a Control A
$ is an escape character
And a Happy New Year,
Rob Spray
Software Designer
US Mail: Computer*Thought Corporation
1721 West Plano Parkway, Suite 125
Plano TX 75075
BellTel: 214-424-3511
ARPAnet: ROB.CT@RAND-RELAY
uucp: ... decvax!cornell!ctvax!rob
==========================================================================
/* TECO */
:IGMerry Christmas
$ !* Put string in Q-register G !
15<:GG>$$ !* 15 Times, print it out !
The dollar signs represent ESCapes.
Merry Christmas!
David Kaufman
...decvax!yale-comix!kaufman
==========================================================================
/* TeX */
(Knuth's text formatting language, assuming presence of Plain.TeX macros):
\def\mc#1{\ifnum #1>0 Merry Christmas\par
{\count0=#1\advance\count0 by-1\mc\count0}\fi}
\mc{15}
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* TRAC */
#(ds,Merry-Christmas,(#(eq,arg,0,,(#(PS,Merry Christmas(
))#(Merry-Christmas,#(su,arg,1))))))'
#(ss,Merry-Christmas,arg)'
#(Merry-Christmas,15)'
Note: "TRAC" is a trademark of Rockford Research, Inc.
---Written and Contributed by Tom Almy, Tektronix, Inc.
==========================================================================
/* TRAC */
#(ds,merry,(#(eq,count,0,,((Merry Christmas
)#(cl,merry,#(su,count,1))))))'
#(ss,merry,count)'
#(cl,merry,15)'
The TRAC language is a text- and macro-processing language reminiscent
of LISP. The first command defines a function, the second marks "count"
as a dummy argument, the third calls the function. The printing is done
by the command interpreter.
Andy Behrens
decvax!dartvax!andyb
==========================================================================
/* TROFF */
.de MC
.nf
.if \\$1>0 \{\
Merry Christmas
.nr x \\$1
.nr x -1
.MC \\nx \}
..
.MC 15
These languages courtesy of:
Pavel Curtis, Cornell
Mike Caplinger, Rice
==========================================================================
/* Turing */
------
for : 1 .. 15
put "Merry Christmas"
end for
------
Stephen Perelgut Computer Systems Research Group University of Toronto
Usenet: {linus, ihnp4, allegra, decvax, floyd}!utcsrgv!perelgut
==========================================================================
/* UL */
Here's one you probably wouldn't expect to get. It is Model204 User Language
(UL is a query/programming language for the M204 database system that
runs on IBM mainframes).
BEGIN
%A IF FIXED DP 0
1. FOR %A FROM 1 TO 15
PRINT 'MERRY CHRISTMAS'
2. END
That's it!
Mickey Levine
decvax!cca!mickey
==========================================================================
/* UNIX shell script */
echo "Merry Christmas" | sed -e 's/./Merry Christmas%/g' | tr % '\012'
Ben Hyde Intermetrics Inc.
==========================================================================
/* Unix shell script (Bourne) */
COUNT=0
while test $COUNT -lt 15
do
echo "Merry Christmas."
COUNT=`expr $COUNT + 1`
done
Ta!
Dave Ihnat
ihuxx!ignatz
==========================================================================
/* VALGOL */
I didn't look closely, but I didn't see a submission in VALGOL. Here is an
attempt, but I can't vouch for its correctness, since I don't know any valley
girls. After all, I live in Washington, not California, and we're a little
behind the times up here.
Like, gag me with a Merry Christmas!
No Way! Merry Christmas!
Like, so totally Merry Christmas!
Barf me out with a Merry Christmas!
So gross! Merry Christmas!
I realize this is only five times, not fifteen, but you can multiprocess in
VALGOL. Just get three valley girls and execute the above on each one.
From: seismo!cornell!uw-beaver!ssc-vax!fluke!witters
==========================================================================
/* VAX MACRO */
(VMS flavour...snicker)
;
text: .ascii "Merry Christmas" ; output text
.byte 13,10 ; carriage control
tlen = . - text ; text length
tty: .ascid "TT:" ; logical name of current terminal
chan: .blkw 1 ; storage for IO channel number
.entry xmas,^M<r10>
$ASSIGN_S devnam=tty,chan=chan ;get channel to terminal
movl #1,r10 ;initialize loop
loop: $QIOW_S chan=chan,func=#IO$_WRITELBLK,- ;dump the message
P1=text,P2=#tlen
aobleq #15,r10,loop ;15 times
ret
.end xmas
From: seismo!decvax!microsof!ubc-vision!mprvaxa!tbray
==========================================================================
/* Xerox Data Systems Metasymbol Assembler */
system sig9
system bpm
csect 1
message text 'Merry Christmas'
ref m:lo
start equ,0 $
li,7 15
loop equ,0 $
m:write m:lo,(buf,message),(size,15)
bdr,7 loop
m:exit
end start
Jon Bertoni
==========================================================================
/* XPL version. (Defined in book "A Compiler Generator".) */
dcl i fixed;
do i = 1 to 15;
output = 'Merry Christmas';
end;
-- chip elliott ...decvax!dartvax!chip
==========================================================================
--
Don Davis
JHU/APL
...decvax!harpo!seismo!umcp-cs!aplvax!ded
...rlgvax!cvl!umcp-cs!aplvax!ded
Article 257 of comp.sources.misc:
Path: puukko!santra!tut!enea!mcvax!uunet!lll-winken!lll-lcc!ames!necntc!ncoast!allbery
From: peter@sugar.UUCP (Peter da Silva)
Newsgroups: comp.sources.misc
Subject: v03i080: Re: v03i076: Just for fun (something which once appeared on the net)
Message-ID: <8807130507.AA26710@uunet.UU.NET>
Date: 13 Jul 88 05:07:49 GMT
Sender: allbery@ncoast.UUCP
Reply-To: peter@sugar.UUCP (Peter da Silva)
Lines: 34
Approved: allbery@ncoast.UUCP
Posting-number: Volume 3, Issue 80
Submitted-by: "Peter da Silva" <peter@sugar.UUCP>
Archive-name: more-xmas
[Introducing the major motion picture: THE CHRISTMAS THAT WOULDN'T DIE! Now
showing at theaters near you!!! ;-) ++bsa]
Ratfor (from the book, with the DEC F4P Fortran):
do(i=1,15) type *, 'Merry Christmas'
end
Ratforth (AKA Fifth, a language I hacked up to make Forth less ugly):
define christmas {
do(15,0) {
type(count("Merry Christmas"));
CR;
}
}
This produces, by the way:
: christmas 15 0 do " Merry Christmas" count type CR ;
AREXX:
/* Say Merry Christmas 15 times */
do i=1 to 15
say 'Merry Christmas'
end i
---
-- `-_-' Peter (have you hugged your wolf today?) da Silva.
-- U Mail to ...!uunet!sugar!peter, flames to alt.dev.null.
-- "Running OS/2 on a '386 is like pulling your camper with an Indy car"

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