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Re: [Nmh-workers] I'm confused

From: Lyndon Nerenberg
Subject: Re: [Nmh-workers] I'm confused
Date: Fri, 14 Sep 2012 12:49:08 -0700

On 2012-09-14, at 12:14 PM, Jon Steinhart wrote:

> All you need to do is figure out how to track the current working directory!

The back end programs would exec() from the CWD, so they could pwd(1)/getcwd(3) 
as required.  Obviously 'cd' must remain a built-in command, just as in the 
shells.  Is there another use case I'm not seeing?

The rest of the commands could be stripped out as standalone commands under 
(say) /usr/local/nmh/libexec/whatnow.  And then, anything typed at the whatnow 
prompt would exec() /usr/local/nmh/libexec/whatnow/<cmd>, passing any arguments 
uninterpreted to the command.  This would let sites not only customize the 
existing commands, but also to add their own.

A user profile element would let people override the default 
.../libexec/whatnow directory with one of their own choosing.


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