Re: [R] R2.1.0: Bug in list.files

From: Suresh Krishna <ssk2031_at_columbia.edu>
Date: Thu 12 May 2005 - 18:55:20 EST

oops, my fault. i missed typing the key '*' character in the second version.

apologies !!!

suresh

Suresh Krishna wrote:

> 
> Is that the entire story ? I tried this with yesterday's patched version 
> (windows xp) and found:
> 
>  > list.files(getwd(),"*.txt",full=T)
> Error in list.files(path, pattern, all.files, full.names, recursive) :
>         invalid 'pattern' regular expression
> 
>  > list.files(getwd(),'.txt',full=T)
> [1] "C:/Documents and Settings/suresh/BDE_SysInfo.txt"
> [2] "C:/Documents and Settings/suresh/dxva_sig.txt"
> 
> Replacing "*.txt" with '*.txt' seems to do "something".
> 
> -s.
> 
> 
> Uwe Ligges wrote:
> 

>> Steve Roberts wrote:
>>
>>> R2.0.1 (MS Windows)
>>>
>>>
>>>> list.files(myloc,"*.zip",full=T)
>>>
>>>
>>>
>>> [1] "P:/SARsoftware/Rlibraries/gnlm_0.1.zip"
>>> [2] "P:/SARsoftware/Rlibraries/lms2_0.2.zip"
>>>
>>>
>>> R2.1.0:
>>>
>>>
>>>> list.files(myloc,"*.zip",full=T)
>>>
>>>
>>>
>>> Error in list.files(path, pattern, all.files, full.names, recursive)
>>> : invalid 'pattern' regular expression
>>
>>
>> >
>>
>>> Bug? or have I missed something
>>
>>
>>
>> You missed to read the NEWS that tells you:
>>
>> o The regular expression code is now based on that in glibc 2.3.3.
>> It has stricter conformance to POSIX, so metachars such as
>> { } + * may need to be escaped where before they did not
>> (but could have been).
>>
>>
>> Probably you want
>>
>> list.files(pattern = "\\.zip$", full.names = TRUE)
>>
>> Uwe Ligges
>>
>>
>>> Steve.
>>> Dr Steve Roberts steve.roberts@manchester.ac.uk
>>>
>>> Senior Lecturer in Medical Statistics,
>>> CMMCH NHS Trust and University of Manchester Biostatistics Group,
>>> 0161 275 5192/5764 / 0161 276 5785
>>>
>>> ______________________________________________
>>> R-help@stat.math.ethz.ch mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide!
>>> http://www.R-project.org/posting-guide.html
>>
>>
>>
>> ______________________________________________
>> R-help@stat.math.ethz.ch mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide!
>> http://www.R-project.org/posting-guide.html
>>
> 
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html
>

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu May 12 19:04:10 2005

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