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Date:	Wed, 10 Jul 2002 08:17:50 -0700
From:	Dario Alcocer <alcocer AT helixdigital DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: close cygwin window - bash doesnt save history
Message-ID:	<20020710081749.B99@ns.helixdigital.com>
References:	<20020710132952 DOT 55896 DOT qmail AT web13104 DOT mail DOT yahoo DOT com>
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In-Reply-To:	<20020710132952.55896.qmail@web13104.mail.yahoo.com>; from bbuchbinder@yahoo.com on Wed, Jul 10, 2002 at 06:29:52AM -0700

On Wed, Jul 10, 2002 at 06:29:52AM -0700, Barry Buchbinder wrote:
> Solution: Don't hit the 'X' button.  Don't get out of
> bash by turn off the power, either.  Use "logout" or
> "exit".
> 
> Bash obviously does not save history after each
> command; it saves history when it shuts down.  Hitting
> the 'X' button kills it without going through the
> normal shut down sequence.

Even better solution: register a signal handler in your Bash session
for SIGHUP; the cygwin1.dll sends a hangup signal when CTRL_CLOSE_EVENT
is received.  Something like this:

    $ myclosefn() {
        echo "My close func got called." > $HOME/myclosefn.txt
        # TODO: add more clean-up logic here
    }
    $ trap myclosefn SIGHUP

I've tested this, so I know it works.

P.S. BTW, I didn't know the answer to this beforehand, but instead
actually looked at the source.  That's one of the beauties of open
source projects: questions like these can be answered by direct
inspection.  "Read the Source, Luke!" ;-)

-- 
Dario Alcocer -- Sr. Software Developer, Helix Digital Inc.
alcocer AT helixdigital DOT com -- http://www.helixdigital.com

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