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List:       bash-bug
Subject:    Re: "$@" vs. nounset
From:       Chet Ramey <chet.ramey () case ! edu>
Date:       2009-06-30 12:32:16
Message-ID: 4A4A05D0.2050004 () case ! edu
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Yang Zhang wrote:
> (IIRC, in bash, variables set to
> empty arrays and unset variables are the same).

In the shell, a variable is not set until it has been assigned a value.
An array variable is not set unless one of its indices has been assigned
a value.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer

Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/



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