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David: for your book ? [message #21233]

Tue, 15 August 2000 00:00

Martin Schultz
Messages: 515
Registered: August 1997

Senior Member

Hi,

Testing IDL's capabilities is always dangerous: you might get more
than you ask for!

What would you expect to get out of the following:

test = [ 'dir1/', 'directory2/', 'another_directory/' ]
print,strmid(test,0,strlen(test)-1)

??

Well, I at least had expected to get the directory names without the
trailing '/'.
But, no!
help, strmid(test,0,strlen(test)-1)
reveals that the result is a 3x3 array!! To print it nicely, use a
format statement:
print,strmid(test,0,strlen(test)-1),format='(3(3(">",A,"< "),/))'

So, to achieve what I had in mind I either have to loop or extract the
matrix diagonale!
Does this make any sense, or is IDL simply overachieving here?

Cheers,
Martin

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[Message index]

		David: for your book ? By: Martin Schultz on Tue, 15 August 2000 00:00
		Re: David: for your book ? By: landsman on Wed, 16 August 2000 00:00
		Re: David: for your book ? By: davidf on Wed, 16 August 2000 00:00
		Re: David: for your book ? By: Martin Schultz on Wed, 16 August 2000 00:00
		Re: David: for your book ? By: R.Bauer on Wed, 16 August 2000 00:00
		Re: David: for your book ? By: Craig Markwardt on Tue, 15 August 2000 00:00
		Re: David: for your book ? By: davidf on Tue, 15 August 2000 00:00
		Re: David: for your book ? By: Martin Schultz on Tue, 15 August 2000 00:00
		Re: David: for your book ? By: Craig Markwardt on Tue, 15 August 2000 00:00

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