Wait for a command to finish

wait-for

#!/bin/bash

WAITNAME=$0
SNAME=$1

if [ -z "$SNAME" ]; then
	echo "use wait-for 'proc-search-string'"
	exit 1
fi

while [ 1 ] ; do
	ps aux | grep -v $WAITNAME | grep -v grep | grep $SNAME > /dev/null
	if [ $? -ne 0 ]; then
		echo "Process \"$SNAME\" not found, exiting at `date`"
		exit 0
	fi
	printf "found \"$SNAME\" at `date`\r"
	sleep 5s
done

echo $SNAME