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Date: Sun, 16 Feb 2014 16:11:07 +0100
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Little cygpath improvement request
Message-ID: <20140216151107.GT2246@calimero.vinschen.de>
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References: <111910987.20140214222230@mtu-net.ru> <52FE6397.5010105@cygwin.com> <187072112.20140214234339@mtu-net.ru> <20140215125606.GM2246@calimero.vinschen.de> <1745533059.20140215225708@mtu-net.ru> <20140216120042.GP2246@calimero.vinschen.de> <40596392.20140216184131@yandex.ru>
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On Feb 16 18:41, Andrey Repin wrote:
> Greetings, Corinna Vinschen!
>=20
> >> >> >> I would like to request a small functional change for cygpath.
> >> >> >> In the event of empty given path argument (i.e. `cygpath -ml ""'=
) silently
> >> >> >> return an empty result without error message.
> >> >> >> This would greatly simplify wrapper scripts.
> >> >>=20
> >> >> > Why isn't redirecting the message to /dev/null not sufficient, so=
mething
> >> >> > like this (bash syntax)?
> >> >>=20
> >> >> Because it'll require creating a redirection? And this kind of redu=
ndant
> >> >> inserts blurring the code.
> >> >> Returning a non-zero exit code would suffice for debugging purposes.
> >> >>=20
> >> >> > cygpath -ml ""  >/dev/null 2&>1
> >> >>=20
> >> >> Err, not > /dev/null !!! :D
> >>=20
> >> >   dos_path=3D$( [ -n "${posix_path}" ] && cygpath -ml "${posix_path}=
" )
> >>=20
> >> > ?
> >>=20
> >> I appreciate the effort, bit this even MORE complicating the possible =
use
> >> case.
> >>=20
> >> Look, I'm asking for simplification without loosing functionality.
> >> If I NEED to check the path for existence, I would write something to =
the
> >> extent of
>=20
> > I'm getting a bit puzzled.  If it's only the message you don't want,
> > then why not just send this message to /dev/null???
>=20
> Because the message serves no purpose in every use case I could think abo=
ut.
> That, aside the fact it needs to create a redirection.
>=20
> >   NATIVE=3D$(cygpath -ml "$2" 2>/dev/null)

And what's the problem with redirections?

I fail to see the big difference between adding a redirection
compared to adding an option character.


Corinna


--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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