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Re: IDL- readf fails from CD [message #15061]

Wed, 14 April 1999 00:00

thompson
Messages: 584
Registered: August 1991

Senior Member

isojoern@my-dejanews.com writes:

> Hi there,

> while reading series of files from a scratched CD (IDL, win95), readf fails
> when it encounters a corrupted file and my program croaks. What needs to be
> done to return gracefully with an error message or something?? (opening the
> file works fine, but some data in the middle is srcewed up...)

> thanks, joern

Have you tried ON_IOERROR, e.g.

ON_IOERROR, ERROR_POINT
READF, UNIT, MYDATA
(etc.)
.
.
.
ERROR_POINT:
MESSAGE, /CONTINUE, 'Error reading CDROM'
(etc.)

William Thompson

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Re: IDL- readf fails from CD

By: thompson on Wed, 14 April 1999 00:00

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