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#!/bin/sh
unset KILL SPAWN
MODE="t"
printhelp () {
printf "t: toggle/restart/kill a process\n"
printf "t [-tr] [--] process [proc_args]\n"
printf "\t-t) toggle (kill if running, start if not)\n"
printf "\t-r) restart (kill and start again whether running or not)\n"
exit 1;
}
while getopts "tr-" o; do case "${o}" in
t) MODE="t" ;;
r) MODE="r" ;;
-) break ;;
*) printhelp ;;
esac done
SPAWN="$(echo "$@" | sed 's/^.*-[-tr] //')"
KILL="$(echo "$SPAWN" | cut -d' ' -f1)"
[ -z "${MODE}" ] || [ -z "$SPAWN" ] && exit
case "${MODE}" in
t)
if pgrep -x "$KILL"; then
killall "$KILL" >/dev/null 2>&1
else
$SPAWN &
fi
;;
r)
killall "$KILL" >/dev/null 2>&1
sleep 0.1
$SPAWN &
;;
esac
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