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Re: how to clear error message [message #73290 is a reply to message #73289] Wed, 03 November 2010 14:20 Go to previous messageGo to previous message
Truong Le is currently offline  Truong Le
Messages: 42
Registered: September 2010
Member
On Nov 3, 4:58 pm, Truong Le <truong...@gmail.com> wrote:
> All,
>
> I need to know how to clear all error message that idl generated.
>
> I am using this two lines to stop to trap my error.
>
> Help, /Last_Message, Output=theErrorMessage
>    errorLength = N_ELEMENTS(theErrorMessage)
>
> However, I need to clear all the error message so that when I am
> looping to these two lines again the
> errorLength should be zero when no error message occur.
>
> Thanks

In other word, I need to know how to catch a stderr that produces from
the Astronomy IDL's library.
When I try to read a bad FITS file I obtain the following error

% MRD_HREAD: Warning-Invalid characters in header

This message kept on executing and did'nt stop. How can I catch that
error.

Thanks

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