test if script called by cron

[Polytropon]

On Mon, 16 Sep 2013 12:26:59 +0100, Paul Macdonald wrote:
> Is there a simple way of testing whether a given script was called via cron,
> 
> I'd rather find a solution that would work from within the script rather 
> than setting an environment variable in the crontab.

I'd suggest the script creates a file (lock file or,
much easier, just a simple normal file) at its beginning:

	#!/bin/sh
	/usr/bin/touch /tmp/scriptrun
	# ... your script content here ...

You could also output the date command to that file
to see when the script has been called:

	#!/bin/sh
	/bin/date "+%Y-%m-%d %H:%M:%S" > /tmp/scriptrun
	# ... your script content here ...

Of course you would have to manually remove that file
after you have verified its existence and content.



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...