On Sun, 4 Oct 2009, Denys Vlasenko wrote:
> No, it breaks valid constructs like this one:
>
> echo "0. \$\$='$$', size \${#\$}=${#$}" >&2
Right. Now I see function varvalue confuses anything that is not the
shell's pid $$, like ${#$foo}, for the shell's pid, instead of returning
"bad substitution" for anything that is not the shell's pid.
Cheers,
--
Cristian
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