a few shell functions

isRunning.sh

#!/bin/sh
# descr: chainable "isRunning" functions
# Usage: R conky && echo "conky is running" || echo "conky is not running"
#        S conky && echo "do something with $pid and $pcmd" || echo "do something else"

# simple isRunning function
R () {
	pidof $1 > /dev/null
	return $?
}

# sophisicated isRunning function (also sets $pid and $pcmd)
S () {
	pid=$(pidof -s $1)
	pcmd=$([ $pid ] && ps --no-headers -o cmd -q $pid)
	return $?
}

restart.sh

#!/bin/sh
# descr: restart programs with shell functions
# usage: RS conky && echo "conky restarted" || echo "conky wasn't running"
#        RA conky && echo "all conkies restarted" || echo "there was no running conky"

# restart first found instance of some program
RS () {
	pid=$(pidof -s $1)
	pcmd=$([ $pid ] && ps --no-headers -o cmd -q $pid)
	[ $pid ] && kill $pid && sh -c "$pcmd"
	return $?
}

# restart all instances of some program
RA () {
	for pid in $(pidof $1); do
		pcmd=$(ps --no-headers -o cmd -q $pid)
		kill $pid && sh -c "$pcmd"
	done
}