What it IS doing is sending stderr to stdout and then sending stdout to the bit bucket. So, you are ONLY seeing the error output of this command. In this case, its must be what you want - you only care when there is an error.
Kevin -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ian Lists Sent: Thursday, December 27, 2007 1:11 PM To: Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list Subject: Re: [rhelv5-list] Regular Expressions on RHEL 5 I know it doesn't look right but it works. ----- "John Summerfield" <[EMAIL PROTECTED]> wrote: > Ian Lists wrote: > > It's just a script to download email address to populate my relay > recipient map for postfix. It's not pretty and I'm definitely not a > shell scripter but it seems to work. > > > > Since you now have it working, it seems I was chasing a red herring, > but > I'd still like you to answer the question, "What do you think the > redirection does?" > > > > > #!/bin/bash > > #----------------------------------------------------------------- > > # > > # Script for download and updating Relay Recipients... > > > > # Working directory > > WDIR=/etc/postfix > > # URL of file to be downloaded > > URL=https://myservername/mail/ > > # Filename of file to be worked with > > FNAME=relay_recipients > > WGETOPTS=" -N --no-check-certificate" > > set -o errexit > > > > cd $WDIR > > wget $WGETOPTS ${URL}/${FNAME} 2>&1 >/dev/null | egrep -q '[Nn]ot > (retrieving|Found)' && exit > but what do you think this does ^^^^^^^^^^^^^^^ > > > postmap $FNAME > > logger -p mail.info -t UPDATED.POSTFIX Relay Recipients Map > > exit 0 > > > > > > > > Ian > > > > -- > > Cheers > John > > -- spambait > [EMAIL PROTECTED] [EMAIL PROTECTED] > -- Advice > http://webfoot.com/advice/email.top.php > http://www.catb.org/~esr/faqs/smart-questions.html > http://support.microsoft.com/kb/555375 > > You cannot reply off-list:-) > > _______________________________________________ > rhelv5-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/rhelv5-list _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
