[CentOS] help with script

Garrick Staples garrick at usc.edu
Mon Nov 5 17:04:54 UTC 2007


On Mon, Nov 05, 2007 at 09:42:57AM -0600, Mark Snyder alleged:
> 
> 
> Garrick Staples wrote:
> >On Fri, Nov 02, 2007 at 04:39:32PM -0600, Mark Snyder alleged:
> >>I am doing a md5sum to verify nightly transfer of files between servers 
> >>and want to email the results to support.
> >>
> >>Everything works fine except reading the contents of the check file into 
> >>mail.
> >>
> >>Any suggestions or help would be much appreciated.
> >>
> >>#!/bin/bash
> >>cd /bak
> >>md5sum -b `date '+%m-%d-%y'`.tgz > `date '+%m-%d-%y'`.ver
> >>diff -s `date '+%m-%d-%y'`.md5 `date '+%m-%d-%y'`.ver > `date 
> >>'+%m-%d-%y'`.chk
> >>#outfile=`date '+%m-%d-%y'`.chk          #setup name of file to read into 
> >>mail
> >>mail -s 'file verify' me at mymailaddr.com <<MAIL_IN
> >>~r `date '+%m-%d-%y'`.chk
> >>
> >>.
> >>MAIL_IN
> >>
> >>exit
> >>
> >>entering the same mail commands from a command prompt works.
> >
> >First, stop running `date` over and over.  Run it once at the top and set 
> >a variable.
> >
> >Second, what is actually going wrong?  Is there an error message?
> >
> >Is this a cronjob?  If so, then don't bother using 'mail'; just echo to 
> >stdout
> >and let cron handle the mailing.
> >
> 
> Yes you are right about setting a variable, but this was supposed to be a 
> quick and dirty.
> 
> I will want it to be a cronjob when its working, how can I get it to mail 
> the output of the diff? and not just the stdout of the cronjob?  The whole 
> point of this is the get the output of the diff to someone.

Just cat the diff to stdout.  Whatever is printed to stdout will be in the email.


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