Subject: Re: Cygwin Here power toy
From: "Gerrit P. Haase" <[email-masked]>
To: [email-masked]
Date: Sun, 20 Oct 2002 18:54:07 +0200

Hallo Randall,

Am Sonntag, 20. Oktober 2002 um 17:13 schriebst du:

> Andrew,

> At 06:58 2002-10-20, Andrew Ellerton wrote:
>> >> @="c:\\cygwin\\bin\\bash.exe --login -c \"cd '%1' ; exec /bin/bash 
>> -rcfile ~/.bashrc\""
>> >
>> >can you think of any better way to start bash?
>> >the above creates two bash.exe in memory:
>> >one executing /etc/profile and the cd-command
>> >and one showing the prompt.
>>
>>The first shell executes a single line of shell commands, namely to change 
>>directory and run another shell. The second shell runs as the "normal" 
>>interactive shell. Net effect - looks like the shell has started in a 
>>different directory. Admittedly a bit hacky, having two shells running for 
>>no good reason, but it does the job. I'm not sure if shells are very 
>>expensive in terms of memory. If not, then its a bit kludgey, but 
>>otherwise its ok.

> There are not (ever) two shells running as a result of invoking this 
> command string. The second one overlays the first in the same process. 
> That's what the "exec" built-in of the shells does.

But I get to see two bash processes with different PID's in the
Taskmanager.  However, 'ps -e' shows only one...

Gerrit
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