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Top Forums UNIX for Dummies Questions & Answers Bash script dont works when executed as cronjob Post 302894392 by CarloM on Tuesday 25th of March 2014 09:16:57 AM
Old 03-25-2014
Quote:
Originally Posted by sea
Cronjobs dont have access to the environment (eg: the $PATH variable, so it wont find 'ls' and others), so you must provide FULL & ABSOLUTE PATH for each command that is not a shell builtin.
That's not entirely accurate - using full path names is a good idea, but while cron won't execute the user profile, it will (if it's POSIX-compliant) set a basic default $PATH like /bin:/usr/bin. It also might run /etc/environment, although I'm not sure if that's POSIX or not (AIX and Debian seem to, anyway).

Last edited by CarloM; 03-25-2014 at 10:22 AM..
 

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bcrontab(1)						      General Commands Manual						       bcrontab(1)

NAME
bcrontab - Manage users crontab files SYNOPSIS
bcrontab [ -u user ] file bcrontab [ -u user ] { -l | -r | -e } DESCRIPTION
bcrontab interfaces with the bcron-spool daemon to manage crontab files in the privileged spool directory. OPTIONS
-u user Tell bcron-spool that we are acting on behalf of the named user. bcron-spool will only accept the username if bcrontab is running as either root or the same user ID as the named user. -l List the cronab crontab to standard output. -r Remove the user's crontab. -e Edit the current crontab. ENVIRONMENT
VISUAL If this is set, it is used as the editor to invoke to edit a crontab. EDITOR If $VISUAL is not set and this is, it is used as the editor to invoke to edit a crontab. If neither are set, /bin/vi is used. BCRON_SOCKET The path to the named socket used to communicate with bcron-spool. Defaults to /var/run/bcron-spool. LOGNAME USER These two variables are used, in order, to determine the user name invoking the program. One must be set if the -u option is not used. FILES
bcrontab tries to writes a temporary file into the current directory, and then into /tmp if that fails, in order to edit the current crontab. SEE ALSO
bcron-spool(8), crontab(5) AUTHOR
Bruce Guenter <bruceg@em.ca> bcrontab(1)
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