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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Tue, 11 May 2004 18:26:48 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: "Buchbinder, Barry (NIH/NIAID)" <BBuchbinder AT niaid DOT nih DOT gov>
cc: "'chris'" <caj AT cs DOT york DOT ac DOT uk>, cygwin AT cygwin DOT com
Subject: RE: Executable links?
In-Reply-To: <F76C9B2DA2FC4C4CA0A18E288BBCBCF7082178DD@nihexchange24.nih.gov>
Message-ID: <Pine.GSO.4.56.0405111823410.10877@slinky.cs.nyu.edu>
References: <F76C9B2DA2FC4C4CA0A18E288BBCBCF7082178DD AT nihexchange24 DOT nih DOT gov>
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On Tue, 11 May 2004, Buchbinder, Barry (NIH/NIAID) wrote:

> WFM on XP:
>
> /bin> ln -s bash.exe b
>
> The following opens bash in a new window.
>
> /bin> cygstart b.lnk
>
> But in case you are worried that cygstart is doing some cygwin-type magic,
> the following also opens bash in a new window.
>
> /bin> cmd /c start b
>
> Opening explorer and double clicking on "b" opens bash in a new window.
>
> Perhaps you have the CYGWIN environmental variable a set to include
> "nowinsymlinks".  See http://cygwin.com/cygwin-ug-net/using-cygwinenv.html

Cygwin setup creates old-style symlinks by default, independent of the
"winsymlinks" setting.

> "use a proper shell" is likely to raise some hackles on this list.  Perhaps
> you meant "use a 'native' shell".

FWIW, one can always run <<bash -c "awk 'commands'">>...
	Igor
P.S. <http://cygwin.com/acronyms/#PCYMTNQREAIYR>

> -----Original Message-----
> From: chris
> Sent: Tuesday, May 11, 2004 4:21 PM
> Cc: cygwin<at>cygwin<dot>com
> Subject: Executable links?
>
> Just a couple of tiny questions / thoughts.
>
> A number of people (myself included) have been "caught" over the fact
> that cygwin shortcuts can obviously not be executed from a windows
> shell. There appears to me to be 4 ways of dealing with this
>
> 1) Ignore the problem, use a proper shell
> 2) On NTFS, use hard links. I did this for a while, then I thought I
> heard that it could cause problems when programs were updated
> 3) Have option to duplicate linked files. I've been doing this for a
> while now, and the loss of disk space is minimal
> 4) Replace links to executables with a very small executable which does
> the linking process. I've been experimenting a little with this and it
> doesn't seem like a bad idea, except a) it involves hacking where you
> want to link to into the executable (not too bad), b) the shortcut is no
> longer reckonised by ls / ln / etc (would this be hard to fix?) and c) I
> can't make a cygwin executable <10kish (this is still not that large,
> and I'm sure someone better than me could make it smaller.
>
> Any comments / suggestions?

-- 
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