[CentOS] pup problem

[Bowie Bailey]

MHR wrote:
> #!/bin/bash
>
> # A shell script to kill that annoying runaway seamonkey that won't die
>
> case `basename $0` in
>         "seakill")      cmd=seamonkey;;
>         "foxkill")      cmd=firefox;;
>         *)                      echo "Unrecognized command."; exit 1;;
> esac
>
> kill -9 `ps -ef | grep $cmd | grep -v grep | tail -1 | awk '{print $2}'`
> ps -ef | grep $cmd | grep -v grep
>
> If it works, nothing is displayed.  If seamonkey/firefox is already
> gone, it give me kill's error for not finding the process (or for a
> missing process number because 'ps' couldn't find it, either).
>   

Isn't that command line a bit complex?  Why not use ps options to get
what you want rather than using grep, tail, and awk to pull the PID out
of the standard output?

    ps -C $cmd -o pid= | xargs kill -9
    ps -fC $cmd

-- 
Bowie