Re: Bash scripting question

From: Chris F.A. Johnson (cfajohnson_at_gmail.com)
Date: 11/29/04

  • Next message: mthlv12: "be careful with IBM human resource bastards" 
    Date: 29 Nov 2004 00:33:57 GMT

    On Sun, 28 Nov 2004 at 23:20 GMT, Wiseguy wrote:
    > Wiseguy <noone@all.com> mumbled in
    > news:Xns95AF6CE44161Enooneallcom@216.65.98.75:
    >
    >> "Lord Williams" <lordwill@quik.com> mumbled in
    >> news:pan.2004.11.28.08.09.47.347137@quik.com:
    >>
    >>> I am reading :
    >>>
    >>> Mendel Coopers : Advanced Bash - Scripting Guide:
    >>> An in-depth guide exploration of the art of shell scripting
    >>>
    >>> I was refered to this guide by someone here... and I am enjoying it
    >>> ....
    >>>
    >>> anyways
    >>>
    >>> what do I do if I need to save the result of a return
    >>> value from my compiled C programs from the return or exit function,
    >>> for later uses in my script file?
    >>>
    >>> Is there a example that I could find in the guide?
    >> cat input | grep "hello" > /dev/null
    >> $rv=$?
    >> # just saved the grep return value in $rv
    >
    > oops...
    >
    > rv=$?
    >
    > putting $ in front of the lvalue is a perl thing

       And putting "cat FILENAME |" in front of grep is a UUOC thing. :)

    grep "hello" FILENAME > /dev/null 2>&1
    rv=$? 

    -- 
	Chris F.A. Johnson                      http://cfaj.freeshell.org
	=================================================================
                Everything in moderation -- including moderation
  • Next message: mthlv12: "be careful with IBM human resource bastards"
    • Quantcast