How do you show the difference between an empty value and one to be unset then?
-------- Original message --------
From: Aaron Schrab <[email protected]>
Date: 18/08/2013 14:18 (GMT+00:00)
To: Nicholas Marriott <[email protected]>
Cc: [email protected]
Subject: Re: Support showenv output as shell code
At 07:51 +0100 18 Aug 2013, Nicholas Marriott <[email protected]>
wrote:
>All you are adding here is escaping quotes?
For variables that are set, it adds single quotes around the value and
replaces every single quote within the value with '\'' . So in that
case you could say that it's only adding escaping quotes. But, for
values that are unset this would eliminate the leading "-", replacing it
with a trailing "=" instead.
>Why not make that the default?
I didn't want to change the default behavior for anybody who has code
that attempts to parse the current output, like the preexec hook shown
elsewhere in the thread. Even though I argue that the current output
can't be parsed reliably, I do admit that such parsing can be successful
most of the time.
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