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Groups > gnu.bash.bug > #15246
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|---|---|
| From | Greg Wooledge <wooledg@eeg.ccf.org> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: expression evaluation problem |
| Date | Thu, 25 Jul 2019 13:34:08 -0400 |
| Lines | 23 |
| Approved | bug-bash@gnu.org |
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On Thu, Jul 25, 2019 at 10:29:08AM -0700, L A Walsh wrote:
> On 2019/07/24 11:49, Greg Wooledge wrote:
> > $((expression))
> >
> > The expression is treated as if it were within double quotes,
> I didn't use $((...)), I'd put the whole thing in ((...)) which I hoped
> would treat the whole expression consistently.
((expression))
The expression is evaluated according to the rules described be‐
low under ARITHMETIC EVALUATION.
[...]
ARITHMETIC EVALUATION
[...]
Shell variables are allowed as operands; parameter expansion is per‐
formed before the expression is evaluated.
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Re: expression evaluation problem Greg Wooledge <wooledg@eeg.ccf.org> - 2019-07-25 13:34 -0400
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