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Re: best indirect assign of scalar and array variables


From: Andreas Schwab
Subject: Re: best indirect assign of scalar and array variables
Date: Thu, 07 May 2009 10:19:38 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.93 (gnu/linux)

"J. Greg Davidson" <jgd@well.com> writes:

> Here are the convenience functions I use now:
>
> # simple_set VARIABLE_NAME VALUE...
> # sets the named variable to the specified value/list
> simple_set() {
>     local -r name="${1}" ; shift
>     eval "${name}='${*}'"
> }

This will fail if $* contains single quote characters.  You need to
delay the expansion of $* so that it happens during the rescan.

simple_set() {
    local -r name=$1 ; shift
    eval "$name=\$*"
}

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."




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