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Old 10-19-2009, 09:59 AM   #1
bryanvick
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Works manually, but not w/ cron, quotation problem


When I run this command manually at the bash command line, it works. But when I stick it in my crontab, I get this error each time it runs:

Command
-------
sudo rdiff-backup --print-statistics --exclude-globbing-filelist /home/bry/backup/vic/exclude --remote-schema 'ssh -C -i /home/bry/.ssh/id_rsa %s rdiff-backup --server' root@myip.net::/home /home/bry/backup/vic/home

Error from cron
---------------
/bin/sh: Syntax error: Unterminated quoted string

Any ideas?
 
Old 10-19-2009, 10:09 AM   #2
JohnGraham
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I'm not sure it would work, but have you tried using " characters instead of ' characters, like so?:*

sudo rdiff-backup --print-statistics --exclude-globbing-filelist /home/bry/backup/vic/exclude --remote-schema "ssh -C -i /home/bry/.ssh/id_rsa %s rdiff-backup --server" root@myip.net::/home /home/bry/backup/vic/home

John G



* I have no idea what the hell the proper way to punctuate that is. Especially with the asterisk there for this.

Last edited by JohnGraham; 10-19-2009 at 10:12 AM.
 
Old 10-20-2009, 10:08 AM   #3
bryanvick
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I changed ' to ". That did not work.
 
Old 10-20-2009, 10:29 AM   #4
New2Linux2
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How about using ` instead of '?
 
Old 10-20-2009, 10:29 AM   #5
repo
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Crontab has a limited shell, so try to use the absolute path to all commands.
 
Old 10-21-2009, 12:39 AM   #6
chrism01
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Also, just put that cmd into a script and call it. Keep cron cmds (ie crontab entries) as simple as possible.

PS If you copy-n-pasted that, you more than likely got a <cr> in the middle.
 
Old 10-21-2009, 10:00 AM   #7
bryanvick
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From a user on the rdiff-backup mailing list:

Per "man 5 crontab":

The entire command portion of the line, up to a newline or %
character, will be executed by /bin/sh or by the shell
specified in the SHELL variable of the cronfile. Percent-signs
(%) in the command, unless escaped with backslash (\), will be
changed into new-line characters, and all data after the first %
will be sent to the command as standard input.

So the % was causing the problem. I escaped it and it seems to be working now.

I'm also going to move my cron commands to scripts as suggested to keep things clean. Thanks for everyone's help.
 
  


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