Environment Variables?????

SriniK has asked for the wisdom of the Perl Monks concerning the following question:

I have a script which working perfect if we run manually, but if we put as cron job its not working.

I guess it might be the environment issue. i have defined my envs in .bashrc

Can somebody help me on this

Thanks
Srini K

Comment on Environment Variables?????

Replies are listed 'Best First'.
Re: Environment Variables????? by Corion (Patriarch) on Jun 27, 2012 at 09:27 UTC
Your `.bashrc` is not loaded for `cron` jobs. See Get default login environment for how to load environment variables from a shell script.	[reply] [d/l] [select]
Re: Environment Variables????? by Anonymous Monk on Jun 27, 2012 at 09:39 UTC
See Re^2: Perl Module Not Working In Crontab , follow deep, and go through the checklists (FAQ)	[reply]
Re: Environment Variables????? by mrguy123 (Hermit) on Jun 27, 2012 at 11:02 UTC
Hi there First of all if you give more info (code, errors with the scripts etc.) it will always help you get a better answer Besides that, when I run Perl scripts via crontab, I always source the .cshrc (in your case I guess it is the .bashrc). You can see an example below, and maybe it will solve your problem `25 18 * * * /bin/tcsh -c 'source ~/.cshrc; perl run_something.pl` [download] Good Luck, Mister Guy	[reply] [d/l]
Re^2: Environment Variables????? by roboticus (Chancellor) on Jun 27, 2012 at 11:37 UTC
mrguy123: In general I discourage that practice. Instead I will either (a) set the environment variables in the crontab, or (b) create a specific dotfile (such as .cron_foo) to set up the variables. The reason? It really sucks when you edit your .cshrc/.bashrc and your cron jobs start failing... ...roboticus When your only tool is a hammer, all problems look like your thumb.	[reply]
Re^3: Environment Variables????? by k_manimuthu (Monk) on Jun 27, 2012 at 11:47 UTC
I am also face this same issue in past. At the time i set the environment variable in crontab file, it's working fine as expected.	[reply]
Re^3: Environment Variables????? by mrguy123 (Hermit) on Jun 27, 2012 at 12:35 UTC
Hi, roboticus Thanks for the advice, its always good to hear about how to program a bit smarter In my case I am working on a server where there is a very large number of env variables, so I was wondering if updating two files each time I add an env var is the right way to go? What do you think would be the best solution in this case?	[reply]
Re^4: Environment Variables????? by muba (Priest) on Jun 27, 2012 at 12:46 UTC
Re^5: Environment Variables????? by mrguy123 (Hermit) on Jun 27, 2012 at 13:32 UTC
Some notes below your chosen depth have not been shown here
Re^4: Environment Variables????? by roboticus (Chancellor) on Jun 27, 2012 at 13:22 UTC
Re^5: Environment Variables????? by mrguy123 (Hermit) on Jun 27, 2012 at 13:46 UTC
Re^4: Environment Variables????? by fishmonger (Chaplain) on Jun 27, 2012 at 13:55 UTC
Re: Environment Variables????? by aaron_baugher (Curate) on Jun 27, 2012 at 18:52 UTC
A simple way to see what environment variables and values cron gets is to create a script like the one below and put it in crontab with a time coming soon. For instance, if it's 8:10 now: `$ cat /home/abaugher/doit #!/bin/sh set \| sort $ chmod 700 /home/abaugher/doit $ crontab -l 12 8 * * * /home/abaugher/doit >/tmp/doit` [download] At 8:12, this will run that script and save the output to `/tmp/doit`, which you can then view to see what it knows. Aaron B. Available for small or large Perl jobs; see my home node.	[reply] [d/l] [select]

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