source: vendor/bash/3.1/examples/functions/repeat2

# To: chet@ins.CWRU.Edu
# Subject: Bash functions
# From: Sandeep Mehta <sxm@philabs.Philips.Com>

##########################################
#
# 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 <sxm@philabs.Philips.Com>
##########################################
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
}