Greg Wooledge <wool...@eeg.ccf.org> writes:
> imadev:~$ : $((a[$x]))
> bash: Mon Jun 2 08:06:39 EDT 2014: syntax error in expression (error token is
> "Jun 2 08:06:39 EDT 2014")
>
> There's the code-injection problem that started the thread.
Here the index is '$(date)'.
*Note (bash) Arithmetic Expansion:: ... All tokens in the expression
undergo parameter and variable expansion, command substitution, and
quote removal. The result is treated as the arithmetic expression to be
evaluated.
> imadev:~$ : ${a[$x]}
> bash: $(date): syntax error: operand expected (error token is "$(date)")
>
> That also looks OK.
Here the index is '$x'.
Andreas.
--
Andreas Schwab, SUSE Labs, sch...@suse.de
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"And now for something completely different."
