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authormakefu <github@syntax-fehler.de>2011-07-31 02:16:15 +0200
committermakefu <github@syntax-fehler.de>2011-07-31 02:16:15 +0200
commit718fcb70fa813422496cb5322b5532d3f4f6df52 (patch)
treee9a1f512e3a5434d5da242e47ef909d3ac51e8c2 /util
parent713c9d04db95dd8b3409014fd8f9529d34d993cc (diff)
randline: reimplemented
Diffstat (limited to 'util')
-rwxr-xr-xutil/bin/randline13
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