Re: when crm can't read a file

On Wed, Mar 04, 2009 at 09:36:21AM +0100, Thomas Michael Hagen wrote:
> 
>    is there a good idiom for continuing (not crashing) when crm can't
>    read a file?
>    the default is the 'for some reason, the file could not be read'-error


check TRAP instruction in the docs.

e.g.
 crm '-{ window
 	{ input [/tmp/x]
 	  trap /unable to read-open/
 	  output /nok\n/
 	} 
 	output /ok\n/
       }'

1. result for /tmp/x exists & readable

ok

1. result if /tmp/x doesn't exist

nok
ok


HTH
-- 
paolo

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