> -----Original Message----- > From: RickSisler [mailto:[EMAIL PROTECTED] > Sent: Tuesday, 1 February 2005 10:53 AM > To: newbie@linux-mandrake.com > Subject: Re: [newbie] Isn't ~/.bash_profile sourced only at login ? > > > Hugh Dixon ([EMAIL PROTECTED]) wrote: > > > > > > >-----Original Message----- > > >From: JoeHill [mailto:[EMAIL PROTECTED] > > >Sent: Monday, 31 January 2005 10:47 AM > > >To: newbie@linux-mandrake.com > > >Subject: Re: [newbie] Isn't ~/.bash_profile sourced only at login ? > > > > > > >Change the script so that it is only run if fetchmail is *not* > > >already > > running. > > > > >Here's the one I use: > > > > >ps ax > ~/tmp/bashterm > > >grep fetchmail ~/tmp/bashterm > /dev/null > > >if [ $? -ne 0 ] ; then > > >fetchmail > > >fi > > > > > > I'm not sure if I'm hijacking this thread, but, for my > interest, could > > someone who does know explain what this script does/how it works? > > > > (It's the stuff in the [*] that isn't obvious to me...) > > > > Thanks, > I'll take a stab at it .. > > This is a bash builtin called test in [ ] .. man test for more. > > $? is the bash pre-defined variable that reports the error > value of the last command > > -ne 0 ] is not equal to 0 or zero, if you didn't already know, > > [ $? -ne 0 ] means, if the grep command fails, being > not-equal to 0, so fetchmail is not running, then it will > start fetchmail > > otherwise the grep command returns true or 0, with fetchmail > running, then skips starting it again. > > use konqueror for info:bash to see the rest .. > > HTH > -- > RickS Registered Linux user #338463 > Mdk 10.1 OE - Linux 2.6.8.1-12mdk @ http://counter.li.org > ================================================================ > gpg --recv-keys --keyserver www.keyserver.net 0x24AABE61 > >
Excellent, Thank you, Hugh
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