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Re: The usage of [[ (not with if)

From: Bob Proulx
Subject: Re: The usage of [[ (not with if)
Date: Wed, 4 Aug 2010 10:12:55 -0600
User-agent: Mutt/1.5.18 (2008-05-17)

Andreas Schwab wrote:
> Bob Proulx writes:
> > Neither of those produce any output.
> >
> >   $ printf '%d\n' ""
> >   0
> Since the command substitution is not quoted the result of the expansion
> is subject to field splitting, thus expands to nothing at all instead of
> a single empty argument.

Ah, yes, you are right of course.  I should have said:

  $ printf '%d\n'


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