reckless process murdering script

fu.sh

#!/usr/bin/env bash

if [ $# -eq 0 ]
then
  echo "usage: fu <grep pattern>"
  exit 1
fi

pattern=$1

for p in `ps|grep $pattern|cut -f1 -d' '`; do
  if [ "$p" -ne "$$" ] # let's try not to kill ourselves in our recklessness
  then
    echo "kill -9 $p > /dev/null 2>&1"
  fi
done