| Re: % RESTORE: Unexpected item code found in save file. 5.6 [message #35193 is a reply to message #35192] |
Fri, 16 May 2003 07:43  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Richard Kidd (rk@ipf.tuwien.ac.at) writes:
> I have just upgraded to IDL 5.6 from IDL5.5. A processing chain I set up
> relies upon writing and reading data from IDL's save files - the routines to
> create these save files were written in IDL 5.5. The routines seem to work
> as normal under IDL5.6.
>
> Using an older 5.5 installation of IDL if I restore a save file created
> under 5.6 I get an warning
>
> % RESTORE: Unexpected item code found in save file.
>
> The save file itself is restored and seems to be normally accessible.
>
> If I look at save files created by 5.5 and restored in 5.6 there seems to be
> no problems.
>
> It seems as though the save procedure in 5.6 introduces a new tag, or
> something, that although doesn't inhibit the restore procedure under IDL
> 5.5 does return the above warning.
>
> Has anyone else seen this? and does anyone know if this updated (?) save
> procedure in 5.6 has any other effects for backward compatiablitiy?
What you describe is not "backward" compatibility; it is
*forward* compatibility. And although IDL acts as if it
were prescient occasionally, it isn't, really. :-)
Cheers,
David
--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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