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Re: Bug with string methods? [message #89850 is a reply to message #89846]

Wed, 10 December 2014 16:02

chris_torrence@NOSPAM is currently offline

chris_torrence@NOSPAM
Messages: 528
Registered: March 2007

Senior Member

On Wednesday, December 10, 2014 3:31:21 PM UTC-7, Paulo Penteado wrote:
> Am I misunderstanding the documentation, or is there a bug with some string methods?
>
> When a string has more than one character, substring() works as I expected, from the documentation:
>
> IDL> str='ab'
> IDL> print,str.substring(-1)
> b
>
> But if the string has length 1, I get an empty string:
>
> IDL> str='a'
> IDL> print,str.substring(-1)
>
> IDL> print,strlen(str.substring(-1))
> 0
> IDL>
>
> A similar problem happens with remove():
>
> IDL> str='ab'
> IDL> print,str.remove(-1)
> a
> IDL> str='a'
> IDL> print,str.remove(-1)
> a

Drats, that looks like a bug. Good catch Paulo. I'll try to slip it into the next patch release.
-Chris

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		Bug with string methods? By: penteado on Wed, 10 December 2014 14:31
		Re: Bug with string methods? By: chris_torrence@NOSPAM on Wed, 10 December 2014 16:02

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