[CentOS] help with script

Mark Snyder mark at jmktdis.com
Mon Nov 5 15:42:57 UTC 2007

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
>> .
>> 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.
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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.

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