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Top Forums Shell Programming and Scripting How to deliver an error message from script? Post 302918472 by rbatte1 on Tuesday 23rd of September 2014 12:45:33 PM
Old 09-23-2014
You might have to code many many exceptions trying to guess all the possible phrases to worry about this way. It would also mean that you are firing up grep and wc as new processes for every possibility you can think of, and how can you be sure you have thought of them all.

The documentation tells us that the error codes are 400-999, so I would refer you to my earlier suggestion.

If you feel that you don't like this, then I would strongly recommend searching for success messages and report anything else as a failure. Over time, you may hit some false errors, but you can then allow for them. If you miss a failure then that can have more serious consequences.


I've learned by painful experience that having too many false errors is far better than missing a real failure.


Regards,
Robin




As a final note, grep has a -c flag to could records, so saving wc being needed at all, so it will run much faster.
 

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INTL_IS_FAILURE(3)							 1							INTL_IS_FAILURE(3)

intl_is_failure - Check whether the given error code indicates failure

SYNOPSIS
bool intl_is_failure (int $error_code) DESCRIPTION
PARAMETERS
o $error_code - is a value that returned by functions: intl_get_error_code(3), collator_get_error_code(3) . RETURN VALUES
TRUE if it the code indicates some failure, and FALSE in case of success or a warning. EXAMPLES
Example #1 intl_is_failure(3) example <?php function check( $err_code ) { var_export( intl_is_failure( $err_code ) ); echo " "; } check( U_ZERO_ERROR ); check( U_USING_FALLBACK_WARNING ); check( U_ILLEGAL_ARGUMENT_ERROR ); ?> The above example will output something similar to: false false true SEE ALSO
intl_get_error_code(3), collator_get_error_code(3), Collator-getErrorCode(3). PHP Documentation Group INTL_IS_FAILURE(3)
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