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Results tagged with code-golf
Search options not deleted
user 3266
Code-golf is a competition to solve a particular problem in the fewest bytes of source code.
10
votes
Print a Christmas Tree
Shell script, 44 characters
printf %9c\\n \* 0|sed ':x
p;s/ 0/000/;tx
d'
Prints this tree:
*
0
000
00000
0000000
000000000
00000000000
0000000000000
000000 …
- 261
4
votes
Tips for golfing in Bash
Use tail recursion to make loops shorter:
These are equivalent in behavior (though probably not in memory/PID usage):
while :;do body; done
f()(body;f);f
body;exec $0
body;$0
And these are roughly …
- 261
2
votes
It's time for a clock challenge!
Bash (3 and 4): 90 bytes
d=(`sed s/./-/g<$0`);let `date +h=%H,m=%M`;echo $h ${d:0:m}'
'$[++h%24] ${d:m}
sleep 5
$0
Due to the use of $0, this script must be put into a file, not pasted into an inte …
- 261