Make all files extension lower by a given directory name

[Tiefeng Wu]

Tim Chase wrote:
> Having a win32 program take case-sensitive filenames is a bit 
> odd, given that the OS is case-agnostic...however, that doesn't 
> preclude bad programming on the part of your tool-maker.  Alas.
>
> Thus, to accomodate the lousy programming of your tool's maker, I 
> proffer this:
>
> I've found that Win32 doesn't often take a rename if the origin 
> and destination differ only in case[*].  Thus, to change the 
> case, I've had to do *two* renames...one to, say, prefix with an 
> underscore and change the case to my desired case, and then one 
> to strip off the leading underscore.  You might try a similar 
> song-and-dance to strong-arm Windows into specifying the case of 
> the file.  Something like this (untested) code:
> 
>    filename = "Spanish Inquisition.TGA"
>    name, ext = splitext(filename)
>    intermediate = "_" + name + ext.lower()
>    rename(filename, intermediate)
>    rename(intermediate, intermediate[1:])
>
> And then I'd wrap this contrived abomination in plenty of 
> comments so that folks coming back to it understand why you're 
> using three lines to do what "should" be just
>
>    rename(filename, name + ext.lower())
>
> as would be the "right" way to rename the file with a lowercase 
> version of its extension.
>
> Yes, it's an odd filename choice there which you might not have 
> expected...nobody expects the Spanish Inquisition...
>
> -tkc
>
> [*] Have had problems with this both in Explorer and at the 
> command prompt.

Yes, that's tool maker's fault. I think he used string compare in his code with
case-sensitive (coded in c#, btw).

I started study python about a month, so I hope my problem not bother you :)
Anyway, I realize python is an amazing language and a power tool, thank you.

wutiefeng
2006-11-03


		
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