1# To: chet@ins.CWRU.Edu
2# Subject: Bash functions
3# From: Sandeep Mehta <sxm@philabs.Philips.Com>
4
5##########################################
6#
7# repeat - clone of C shell builtin `repeat'
8#
9# usage: repeat <count> <command>
10#
11# It has been tested inside other functions and in conditionals like 
12# if [ "`repeat <count> <command>`" ]; then COMMANDS [ else COMMANDS ] fi
13# Please send me fixes/enhancements.
14# 
15# Sandeep Mehta <sxm@philabs.Philips.Com>
16##########################################
17repeat()
18{
19	local rcount=$1
20
21	if [ $# -le 1 ] || [ -z "$rcount" ]; then
22		echo "usage: repeat <count> <command>" 1>&2
23		return 2
24	fi
25
26	shift
27
28	local acmd=("$@")
29
30	if [ $rcount -le 0 ]; then
31		echo "count must be greater than 0"
32		echo "usage: repeat <count> <command>" 1>&2
33		return 2
34	fi
35
36	st=0
37	while [ $rcount -gt 0 ]; do
38		eval "${acmd[@]}"
39		st=$?
40		rcount=$((rcount - 1))
41	done
42	return $st
43}
44