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Some prefer to just use absolute paths to all the commands instead. Consider what happens if you want to run your script on a different system, and on that system, the command is in @pbr A sysadmin could unwittingly delete the root filesystem.
Please include one reason per answer - details about why it's not executed - and fix(es) for that one reason. commands that execute as expected from the shell but execute erroneously by cron.
The sane way to handle that is to install it as a different command. you have python version 2.x and install python 3, you install it as python3, not python.
And as for /opt/some App/bin, why on earth wouldn't it have sane permissions/ownership?
any sane admin would ensure sane permissions/ownership on system [email protected] It seems we could go on forever, yes.
I still fail to see why it's a bad idea to use PATH though. The best choice is to ensure that your crontab has a blank line at the end.
If you feel like discussing this further in a medium better suited for discussion, you'll find me in #ubuntu and #bash, among other channels, on irc.Although cron requires that each entry in a crontab end in a newline character, neither the crontab command nor the cron daemon will detect this error. 4th Berkeley Distribution 29 December 1993 CRONTAB(1) on Ubuntu 10.10 says "cron requires that each entry in a crontab end in a newline character.