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Re: cd to nonexistent directory and up again [message #81707 is a reply to message #81704]

Tue, 16 October 2012 04:42

Lajos Foldy
Messages: 176
Registered: December 2011

Senior Member

On Tuesday, October 16, 2012 12:33:19 PM UTC+2, tom.gr...@gmail.com wrote:
> Why is it that this fails:
>
>
>
>
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> IDL> cd, 'bobo/..'
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> % CD: Unable to change current directory to bobo/...
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> No such file or directory
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>
>
> but this does not:
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>
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> IDL> cd, './bobo/..'
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> IDL>
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>
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> I am using CD to determine whether a given path exists as a directory, and I was expecting the second case to fail just like the first one does, since there is no difference between them in my mind.
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> Cheers,
>
>
>
> Tom

Both CD's are cd to the current directory, IDL or the underlying OS may optimize it away.

Use file_test('bobo', /dir) instead.

regards,
Lajos

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[Message index]

		Re: cd to nonexistent directory and up again By: David Fanning on Tue, 16 October 2012 06:31
		Re: cd to nonexistent directory and up again By: Paul Van Delst[1] on Tue, 16 October 2012 06:13
		Re: cd to nonexistent directory and up again By: Paul Van Delst[1] on Tue, 16 October 2012 05:55
		Re: cd to nonexistent directory and up again By: Lajos Foldy on Tue, 16 October 2012 04:42

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