Re: [boost] [string algo] again strange split behaviour

From: David Abrahams (dave_at_[hidden])
Date: 2005-07-13 09:42:31

Thore Karlsen <sid_at_[hidden]> writes:

>>should be IMO:
>>""              -> 0 tokens
>>"abc/abc"       -> 2 tokens
>>"abc/abc/"      -> 3 tokens
>>
>>
>>Thoughts?
>
> In some ways I agree with you, but I think it may be more consistent to
> output an empty token for an empty string as long as other empty tokens
> are kept. However, I can see arguments for and against both ways.
>
> Does anyone know what other libraries/languages do in this situation?
> Scripting languages typically have a split() function, but I haven't
> tested this particular case.

Like John said:

  python -c "print ''.split('/'), 'abc/abc'.split('/'), 'abc/abc/'.split('/')"
  [''] ['abc', 'abc'] ['abc', 'abc', '']

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com