On Thu, Apr 13, 2017, 04:25 Nicole <nicole.king...@gmail.com> wrote:
> I've looked carefully at both the parser and the lexer. It's a long
> while since I've used either of these tools, but I can find no reference
> to anything that does arithmetic. The only instance of plus signs that I
> can find are in the regular expressions and in the C code. There appears
> to be no provision to recognise a "$((" - the parser seems to expect
> only a variable name (with or without enclosing braces). "$[" is used
> for arrays in bash - in any case the lexer doesn't recognise it.
>
I think you misunderstood me. The is no arithmetic currently. What I meant
is that they may be better integrated if they are done using bash syntax
rather than by having a separate command.
>
> Nicole
>
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