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Old 06-05-2008, 08:13 PM   #1
Registered: Mar 2007
Location: Buenos Aires, Argentina.
Distribution: Debian Lenny AMD64
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Running a script with crontab.

Hello again!

I have a script which records tv from the tv tuner card. Its name is tape (/home/myuser/bin/tape). Its format is: tape <Channel> <Name> <duration>

If I run it from terminal, it works ok. /bin is already added to $PATH so I can run the script from any other directory.

Now, I would like to create a cron job. For instance, to record a TV program starting at 21:00 (9pm). How do I have to do to add this job to cron? In Ubuntu I used to add the job with crontab -e and then (inside cron) I could write something like this:

00 21 * * 1-5 bin/tape 20 Voyager 01:00:00

Is this possible under Slackware? If so, How?

Thanks again folks!
Old 06-05-2008, 08:32 PM   #2
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You would do it the same way. Cron is not part of Ubuntu, it is a standard daemon among all Linux distributions.
Old 06-05-2008, 08:32 PM   #3
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The exact same thing could be done -- however, I would suggest using an absolute path to /home/myuser/bin/tape instead of a relative path. Although /bin is in your $PATH, /home/myuser/bin will not be unless you added it manually to your $PATH (and even if you did, your $PATH will not survive a reboot, so you'd have to create an entry in ~/.bashrc to add the directory to your $PATH). I also think it's just not worth it when you can just use an absolute reference. Something like the following would do nicely:
$ crontab -l
00 21 * * 1-5 /home/myuser/bin/tape 20 Voyager 01:00:00
Assuming, of course, that your script can do something useful with the arguments provided (I'm assuming it tapes Voyager on channel 20 for one hour). `crontab -e` will let you edit your crontab, just as in Ubuntu.
Old 06-05-2008, 08:48 PM   #4
Registered: Mar 2007
Location: Buenos Aires, Argentina.
Distribution: Debian Lenny AMD64
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Smile Thanks!

Problem solved! Thanks friends for your valuable help.



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