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| author | makefu <github@syntax-fehler.de> | 2011-07-31 02:16:15 +0200 |
|---|---|---|
| committer | makefu <github@syntax-fehler.de> | 2011-07-31 02:16:15 +0200 |
| commit | 7f5321696a2d6f3b8292ab3246f2374ba0334725 (patch) | |
| tree | 79488f6aa7a814e249c3dd7a05c6bb56b8dd7d0c | |
| parent | 074d78ba9de200950f0b64cb8f2b6efae66fa56d (diff) | |
randline: reimplemented
| -rwxr-xr-x | util/bin/randline | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/util/bin/randline b/util/bin/randline index cd9476e7..75618664 100755 --- a/util/bin/randline +++ b/util/bin/randline @@ -1,12 +1,5 @@ #! /bin/sh -# -# choose a line randomly. -# -set -euf +# Author: tv,makefu +# Info: for old version see commit b9924 -lines="`cat`" -count=`echo "$lines" | wc -l` -random=`od -An -t u8 -N 8 /dev/urandom` -choice=`echo "$random % $count + 1" | bc` - -echo "$lines" | sed -n "${choice}p" +cat | shuf | head -n 1 |