Kill a proccess identifed vy a string

Kill UNIX processes by string

#! /bin/sh

# See http://partmaps.org/era/unix/award.html#uuk9letter

string="$1" ; export string

scriptname=`basename $0` ; export scriptname

kps=`ps -ef|nawk '$0 ~ ENVIRON["string"] && $0 !~ ENVIRON["scriptname"] {print $2}'`
echo $string has PID \"$kps\"

if test -z "$kps" ; then
        echo "Cannot find process identified by $string"
        exit 1
fi

for i in 15 2 1 ; do
        kill -$i $kps
        sleep 10
        kps=`ps -ef|nawk '$0 ~ ENVIRON["string"] && $0 !~ ENVIRON["scriptname"] {print $2}'`
        if test -z "$kps" ; then
                echo Killed $string $kps with signal $i
                exit 0
        fi
done

echo "Unable to kill $string, PID = $kps"
exit 2