Re: Binary patch tool?

[Igor Pechtchanski <pechtcha at cs dot nyu dot edu>]

On Fri, 4 Apr 2003, John Williams wrote:

> Igor Pechtchanski wrote:
> > On Fri, 4 Apr 2003, John Williams wrote:
> >
> >>Hi folks,
> >>
> >>Is there a binary equivalent to the diff/patch combination?  I've
> >>written a little shell script to run "cmp -b" over a bunch of files (I'm
> >>trying to generate binary patches), but now I'm struggling with a way to
> >>actually apply those changes.
> >>
> >>I started writing a little tcl script to do it but think there must be a
> >>better way?
> >>
> >>Thanks,
> >>John
> >
> > Umm, "vim -b"?  vim *can* be used as a stream editor...
> > 	Igor
>
> Ah yes excellent!  Even better, now I don't need to create a patch file.
> In a single line I can hack Xilinx's Xygwin tools over to Cygwin.
>
> I'm doing the following
>
> for f in $( find edk -name '*.exe' -o -name '*.dll' ) do
>    vim -b -s xyg2cyg.sed $f
> done
>
> where xyg2cyg.sed contains
> :%s/xygwin1.dll/cygwin1.dll/g
> :wq
>
> Is there a way I can pass these on the command line, without needing a
> seperate little script file like this?
>
> Thanks,
> John

Sure.  The easiest for you would probably be

vim -b -c ":%s/xygwin1.dll/cygwin1.dll/g|:wq" $f

Ain't vim grand? ;-)
	Igor
-- 
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