capturing error messages

[Aaron Walker <amwalker gate net>]

is there a way to capture what a program sends to stderr() and redirect
it to a error dialog box?
I am writing an app that is a GUI front end to another program, I would
like to capture all errors and make an error dialog box.

For example, if the user specifies an incorrect filename, the console
says "filename: File not found".  I would like to have a dialog pop up
and say the same thing.

Is this possible?

thanks,
Aaron

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