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Subject: Re: Why does robocopy confuse input and output files defined with Cygwin/bash and perl?
To: cygwin AT cygwin DOT com
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From: cyg Simple <cygsimple AT gmail DOT com>
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On 9/30/2015 3:27 PM, Andrey Repin wrote:
> Greetings, Eliot Moss!
> 
>> Dealing with "odd" characters like \ and such can be a pain, huh?
>> Perhaps it will help you to know that bash will expand variables
>> inside double-quoted arguments, i.e., "${src}".  (You can write
>> "$src" if you want, but over the years I am finding it clearer /
>> better to use the { } to make clear the name of the variable I
>> want expanded.)
> 
>> Also, you may find the cygpath utility helpful, and the $( ) idiom
>> of bash.
> 
> It isn't "idiom of bash", it is a POSIX construction.
> 
>> Thus:
> 
>> robocopy /s "$(cygpath -w /cygdrive/c/Users/siegfriend/Documents/bin)" "$(cygpath -w
>> /cygdrive/f/backup/unison/bin)"
> 
>> I believe this will do what you want.  cygpath can be very helpful
>> hen you desire to run a Windows program from the cygwin environment.
> 
> I would suggest cygpath -m.

Not for robocopy, it is likely not to survive / instead of \.  I would
prefix it with "cmd /c" though or perhaps create a bash script called
robocopy to do the path conversion before calling the Windows
robocopy.exe.  That way the command line looks typical.

-- 
cyg Simple

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