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Date: Wed, 04 Jun 2003 10:33:34 -0700
To: cygwin AT cygwin DOT com
From: Randall R Schulz <rschulz AT sonic DOT net>
Subject: Re: rsync and cygwin paths
In-Reply-To: <Pine.GSO.4.44.0306041304591.25752-100000@slinky.cs.nyu.edu
 >
References: <3EDDF586 DOT 4040603 AT lapo DOT it>
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At 10:06 2003-06-04, Igor Pechtchanski wrote:
>On Wed, 4 Jun 2003, Lapo Luchini wrote:
>
> > ...
> >
> > Please notice that there is a default prgoramm called "cygpath" that's
> > really useful to convert path- and file-names between the two version,
> > and it's not so hard to create "wrapper scripts" to convert them, e.g.
> > (I copied this long ago from I-don't-remember-where):
> >
> > http://cygwin.com/cygwin-ug-net/using-utils.html#CYGPATH
> >
> > NEWARGS=""
> > for arg in $@ ;
> > do
> >   if [ -e "${arg}" ]; then
> >     NEWARGS="${NEWARGS} `cygpath -p -w "$arg"`"
> >   else
> >     NEWARGS="${NEWARGS} $arg"
> >   fi
> > done
>
>Lapo,
>
>Note that the above won't work correctly if the program is expected to
>create the file with a given name...  IMO, there is no way of writing a
>generic wrapper script without knowing anything about program parameters.
>     Igor


Igor,

Strictly speaking, that's true. Certainly Lapo's script fragment is too 
simple-minded to work in any kind of general setting.

However for many purposes it's feasible to write some simple-minded 
heuristics that make the determination about when and how to apply 
"cygpath." I currently use a BASH script that uses a simple "case" 
statement to paper over the Cygwin / Windows interface for invoking the 
Java 2 SDK tools. The case statement's glob patterns detect whether any 
given argument is (probably) a file name or PATH-like entity and then 
applies cygpath as necessary. It can be fooled, of course, but in 
practice it works fine for me.

Randall Schulz 


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