[R] Regular expression \ String Extraction help

[Gabor Grothendieck]

That should be:

> sub("(....-..-.. .... ...)( *)(.*)( *)([^0-9]+)([0-9]+).txt", "C:\\\\test\\\\\\3\\4\\5\\\\\\1 \\3\\5\\6.txt", txt)
[1] "C:\\test\\Foo\\2009-04-10 1400 Fri Foo1.txt"
[2] "C:\\test\\Universities\\2009-04-10 1400 Fri Universities2.txt"
[3] "C:\\test\\Hitchhikers Guide To The Galaxy\\2009-04-10 1400 Fri
Hitchhikers Guide To The Galaxy42.txt"



On Wed, Jun 3, 2009 at 10:11 AM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> With
>
> txt <- c("2009-04-10 1400 Fri Foo1.txt", "2009-04-10 1400 Fri
> Universities2.txt",
> "2009-04-10 1400 Fri Hitchhikers Guide To The Galaxy42.txt")
>
> # Try this line:
>
>> sub("(.*) ([^0-9]+)([0-9]+).txt", "C:\\\\test\\\\\\2\\\\\\1 \\2\\3.txt", txt)
> [1] "C:\\test\\Foo\\2009-04-10 1400 Fri Foo1.txt"
> [2] "C:\\test\\Universities\\2009-04-10 1400 Fri Universities2.txt"
> [3] "C:\\test\\Galaxy\\2009-04-10 1400 Fri Hitchhikers Guide To The
> Galaxy42.txt"
>
>
> On Wed, Jun 3, 2009 at 7:34 AM, Tony Breyal <tony.breyal at googlemail.com> wrote:
>> Dear all,
>>
>> Is there a good way of doing the following conversion:
>>
>> [YYYY]-[MM]-[DD] [Time] [Day] [Name][Integer].[Extention]
>>
>> to become
>>
>> C:\test\[Name]\[YYYY]-[MM]-[DD] [Time] [Day]\[YYYY]-[MM]-[DD] [Time]
>> [Day] [Name][Integer].[Extention]
>>
>> i.e. these
>>
>> 2009-04-10 1400 Fri Foo1.txt
>> 2009-04-10 1400 Fri Universities2.txt
>> 2009-04-10 1400 Fri Hitchhikers Guide To The Galaxy42.txt
>>
>> will become
>>
>> C:\test\Foo\2009-04-10 1400 Fri Foo1.txt
>> C:\test\Universities\2009-04-10 1400 Fri Universities2.txt
>> C:\test\Hitchhikers Guide To The Galaxy\2009-04-10 1400 Fri
>> Hitchhikers Guide To The Galaxy42.txt
>>
>> My main issue is the conversion for 'Hitchkikers Guide To The
>> Galaxy54' because of the spaces in the Name. So far this is what i
>> have:
>>
>>> txt <- '2009-04-10 1400 Fri Universities1.txt'
>>> step1 <- unlist(strsplit(txt, '\\.'))
>>> step2 <- unlist(strsplit(step1[1], ' '))
>>> Name <- gsub('[0-9]',replacement='', step2[4])
>>> step3 <- paste(step2[1], step2[2], step2[3], sep=' ')
>>> paste('C:\\test\\', Name, '\\', step3, '\\', txt, sep='' )
>> [1] "C:\\test\\Universities\\2009-04-10 1400 Fri\\2009-04-10 1400 Fri
>> Universities1.txt"
>>
>> Cheers,
>> Tony Breyal
>>
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>> and provide commented, minimal, self-contained, reproducible code.
>>
>