repeat2

来自「android-w.song.android.widget」· 代码 · 共 44 行

# To: [e-mail]
# Subject: Bash functions
# From: Sandeep Mehta <[e-mail]>

##########################################
#
# repeat - clone of C shell builtin `repeat'
#
# usage: repeat <count> <command>
#
# It has been tested inside other functions and in conditionals like 
# if [ "`repeat <count> <command>`" ]; then COMMANDS [ else COMMANDS ] fi
# Please send me fixes/enhancements.
# 
# Sandeep Mehta <[e-mail]>
##########################################
repeat()
{
	local rcount=$1

	if [ $# -le 1 ] || [ -z "$rcount" ]; then
		echo "usage: repeat <count> <command>" 1>&2
		return 2
	fi

	shift

	local acmd=("$@")

	if [ $rcount -le 0 ]; then
		echo "count must be greater than 0"
		echo "usage: repeat <count> <command>" 1>&2
		return 2
	fi

	st=0
	while [ $rcount -gt 0 ]; do
		eval "${acmd[@]}"
		st=$?
		rcount=$((rcount - 1))
	done
	return $st
}