[Bioperl-l] Root::IO handle Mac and Win32 LF

[Aaron J. Mackey]

I meant that when I examine a text file created by a Mac application 
(in this case, Endnote) using the unix tool "od -c" I see only "\r".

I agree it's all very confusing; I apologize if I've only added to the 
uproar.

-Aaron

On Dec 16, 2003, at 7:04 AM, Dave Howorth wrote:

> Aaron J. Mackey wrote:
>>> I.e Windows terminates lines with \r\n but a Mac perversely reads 
>>> them as \n\r.
>> Actually, it seems that there are some Mac-derived files with only 
>> \r, and no \n at all (as a recent example, EndNote 6 exported 
>> bibliographies have no \n's, only \r's by od -c's reckoning).
>
> Now you've confused me again.  What do you mean by \r?  Are you saying 
> there are some Mac files with only \012 or with only \015?  That is 
> are you speaking as a Unix/Linux/Windows user or as a Mac user?
>
> This is why it's better not to use \r and \n at all in this context.
>
>>> I think for portable code it's better to write the regexps using the 
>>> octal values: \015 instead of CR and \012 instead of LF.
>> We don't have issues writing files, only reading one-line-at-a-time 
>> and canonicalizing it (why do we need to canonicalize it again, 
>> Jason?)
>
> I wasn't talking about writing files, I was talking about writing the 
> regexps that are used for reading files. (But as the section I quoted 
> from Perldoc points out, there *are* issues with writing files if you 
> want to use them with some network protocols :)
>
> Cheers, Dave
> -- 
> Dave Howorth
> MRC Centre for Protein Engineering
> Hills Road, Cambridge, CB2 2QH
> 01223 252960
>
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