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Re: error reading file question [message #51206 is a reply to message #51200]

Tue, 07 November 2006 06:12

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Groff writes:

> Is there a way in IDL to check for problems when reading a data file?
> For example in Fortran you would do something like
> Error_Status = Read (filename)
> IF ( Error_Status /= Success ) THEN
> --------------------------(etc.)
>
> If something is wrong with the data file the problem would be discovered
> via error_status.

Typically, one uses a CATCH error handler for this,
although ON_IOERROR is still sometimes used. Here is
a fairly old article that explains some of the details:

http//www.dfanning.com/misc_tips/conversion_errors.html

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: error reading file question By: David Fanning on Tue, 07 November 2006 13:02
		Re: error reading file question By: Paul Van Delst[1] on Tue, 07 November 2006 12:36
		Re: error reading file question By: David Fanning on Tue, 07 November 2006 11:34
		Re: error reading file question By: Paul Van Delst[1] on Tue, 07 November 2006 11:08
		Re: error reading file question By: David Fanning on Tue, 07 November 2006 06:12

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