blob: e53cbac3786dca092a4a590b14a7eb78bec40db0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
# Repeat a command
self=rep
# Check arguments.
if [ "$#" -lt 2 ] ; then
printf >&2 '%s: Need a count and a program name\n' "$self"
exit 2
fi
# Shift off the repetition count.
c=$1
shift
# Check the repetition count looks sane. Zero is fine!
if [ "$c" -lt 0 ] ; then
printf >&2 '%s: Nonsensical negative count\n' "$self"
exit 2
fi
# Run the command the specified number of times. Stop immediately as soon as a
# run fails.
while [ "${n=1}" -le "$c" ] ; do
"$@" || exit
n=$((n+1))
done
|