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From: Andrew Schulman <schulman DOT andrew AT epamail DOT epa DOT gov>
Subject: Re: Script to Auto CYGWIN -U all environment varialbes
Date: Tue, 08 Feb 2011 08:44:31 -0500
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> Has anyone written anything into their bash profile or whatever that goes
> through each windows environment variable currently extant, and resets them
> via CYGPATH
> 
> e.g.
> 
> Before, @ start of .bashrc
> ETC=C:\WINDOWS\ETC
> 
> After run of .bashrc
> ETC=`$(cygpath -u '$ETC')`; EXPORT ETC  (--> /cygpath/c/windows/etc)
> 
> Or something like that. So, by the time you hit your cygwin prompt all your
> environment variables are already cleaned up.

Here's my solution.  Ugly quoting, but it works.

I chose to convert just a fixed list of environment variables that I know I
want to convert.  I guess it would be easy to cycle through all environment
variables and 'bashify' any that look like paths, i.e. any that have
backslashes in them.

    # Convert Win32-style paths to Cygwin-style
    function bashify {
        local p
        for p ; do
            if [ "${!p}" ] ; then
                eval 'export '$p'=$(cygpath -pu "$'$p'")'
            fi
        done
    }
    bashify MSDEV PROGRAMFILES WINDIR


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