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>> One of my systems has a crontab like this to clean up and |
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>> consolidate the output of the video monitoring app "motion": |
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>> |
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>> # crontab -l |
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>> # DO NOT EDIT THIS FILE - edit the master and reinstall. |
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>> # (/home/grant/cron.root.txt installed on Sat Sep 25 10:42:18 2010) |
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>> # (Cron version V5.0 -- $Id: crontab.c,v 1.12 2004/01/23 18:56:42 |
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>> vixie Exp $) 50 23 * * * /bin/rm /home/motion/$(date -d 'yesterday' |
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>> +%Y%m%d)*.jpg 55 23 * * * /bin/rm /home/motion/$(date -d |
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>> 'yesterday' +%Y%m%d)*.avi 59 23 * * * /usr/bin/mencoder |
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>> /home/motion/$(date +%Y%m%d)*.avi -noidx -o |
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>> /home/motion/full-$(date +%Y%m%d).avi -ovc copy -oac copy |
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>> |
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>> If I execute each command manually, it works great, but nothing |
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>> happens otherwise. Can someone tell me why this crontab doesn't |
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>> seem to be executing? |
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> |
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> crontab does not use the same shell you use, so when your crons run |
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> they are missing all of the niceties you are used to using yourself. |
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> |
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> Things like PATH for example, and the $() may or may not work. |
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> |
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> You have paths for rm and mencoder but not for date |
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|
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I've switched to this but I can't find the date binary. Does anyone |
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know the full path for date? |
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|
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50 23 * * * /bin/rm /home/motion/`date -d 'yesterday' +\%Y\%m\%d`*.jpg |
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55 23 * * * /bin/rm /home/motion/`date -d 'yesterday' +\%Y\%m\%d`*.avi |
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59 23 * * * /usr/bin/mencoder /home/motion/`date +\%Y\%m\%d`*.avi |
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-noidx -o /home/motion/full-`date +\%Y\%m\%d`.avi -ovc copy -oac copy |
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|
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- Grant |
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