Re: [PATCH] cleanfile: a script to clean up stealth whitespace

[H. Peter Anvin]

H. Peter Anvin wrote:
> > Fair enough.
> >
> > It'd be nice to have a clean-up-a-patch version of this.  So it does
> > all these things, except it only changes lines which start with ^+.
>
> It can do everything except kill empty lines at the end of the file; a 
> patch simply doesn't contain enough information to know if blank lines 
> are inserted at the end of a file as opposed in the middle of the file.
>
> It can, of course, be done if the unpatched material is available, 
> probably by applying the patch and seeing what happens.

Correction: for a context/unified diff it can be done by observing that 
there is no context left at the end of the file.  It won't work if the 
file already have empty space at the end of it, but that's probably good 
enough.  I'll cook something up.

	-hpa
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