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On Wednesday 05 May 2010 07:45:24 Mick wrote: |
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> On Tuesday 04 May 2010 23:40:20 Alex Schuster wrote: |
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> > Mick writes: |
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> > > I am getting a bit confused from the messages that I receive in my |
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> > > gmail account sent from my crontab. |
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> > > |
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> > > First, is related to the title which is: |
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> > > Cron <root@mylaptop> test -x /usr/sbin/run-crons && |
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> > > |
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> > > /usr/sbin/run-crons |
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> > > |
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> > > I am not sure what this "test -x" part represents? |
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> > |
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> > It means: If /usr/sbin/run-crons is executable, execute it. It could also |
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> > be written as |
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> > |
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> > [ -x /usr/sbin/run-crons ] && /usr/sbin/run-crons |
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> > |
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> > or |
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> > |
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> > f=/usr/sbin/run-crons |
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> > if [ -x $f ] |
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> > then |
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> > |
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> > $f |
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> > |
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> > fi |
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> |
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> Thank you, I understand what the test does. What I am not sure is why this |
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> is printed on the title of the email. Where is what is printed on the |
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> email title controlled from? Is it editable? |
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It's cron's default. If it sends a mail, by default it does this: |
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The subject is the program field in the crontab |
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The body is the output from the program. |
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You can't normally change that. What you do is edit your called script to |
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intelligently mail you the information you do want, and send all output to |
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devnull to suppress cron's default mailer settings |
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-- |
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alan dot mckinnon at gmail dot com |
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