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Re: How to get file UNIT from file NAME? [message #58881 is a reply to message #58880]

Tue, 26 February 2008 11:19

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

Fï¿½LDY Lajos wrote:
>
> On Tue, 26 Feb 2008, Paul van Delst wrote:
>
>> Hello,
>>
>> Is it possible to get a file UNIT from a file NAME? For example, in
>> Fortran95 you can do,
>>
>> INQUIRE( FILE=Filename, NUMBER=FileID )
>>
>> i.e. supplying a Filename yields its associated unit number, FileID
>> (which is -1 if no unit is connected to the file)
>>
>> Is there an equivalent IDL command? FSTAT requires one to supply a
>> UNIT argument, which is opposite of what I need, i.e. similar to the f95
>>
>> INQUIRE( UNIT=FileID, NAME=Filename )
>>
>> Basically I want to be able to derive all the necessary info about the
>> file, in particular answering the "Is it open? If so, what unit
>> number?" questions just from the filename.
>>
>> Any info appreciated.
>>
>> cheers,
>>
>> paulv
>>
>
> You can use HELP, /FILES, OUTPUT=OUT and parse OUT.

Kewl. Thanks muchly.

So, since the unit/filename correspondence information is available... I wonder how one
would influence ITTVIS to build this capability into FSTAT (or FILE_INFO, FILE_TEST, or
something)?

cheers,

paulv

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[Message index]

		Re: How to get file UNIT from file NAME? By: Paul Van Delst[1] on Tue, 26 February 2008 11:22
		Re: How to get file UNIT from file NAME? By: Paul Van Delst[1] on Tue, 26 February 2008 11:19
		Re: How to get file UNIT from file NAME? By: Vince Hradil on Tue, 26 February 2008 10:57
		Re: How to get file UNIT from file NAME? By: Foldy Lajos on Tue, 26 February 2008 10:52

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