Date:Fri, 30 Dec 2022 16:48:15 +0100
From:Steffen Nurpmeso
Message-ID: <20221230154815.7-tqs%stef...@sdaoden.eu>
| Of course i continue to disagree as i continue to
| disagree on much of the sequence point outcome of ISO C, too.
There's a big difference between
Robert Elz wrote in
<10111.1672392...@jacaranda.noi.kre.to>:
...
|The way to make this work is to insert sequence points, of which there
|is only one which is plausible in shell arithmetic expressions, and even
|that isn't required to exist by POSIX.
|
| $(( i += i, j += i, i += j ))
|
|
Greg Wooledge wrote in
:
|On Fri, Dec 30, 2022 at 12:21:52AM +0100, Steffen Nurpmeso wrote:
|> ..i want to reiterate the relation to what "human logic" expects.
|
|I'm a human, so I feel qualified to address this point.
|
|What I expect from a command like
|
|(( i += j += i += j ))
|
|is
Date:Thu, 29 Dec 2022 21:57:00 +
From:Alain D D Williams
Message-ID: <20221229215700.gd16...@phcomp.co.uk>
| So use sub-expressions to 'evaluate first' so you should prolly rewrite:
|
| (( i += j += i += i ))
|
| as:
|
| (( i += (j += (i += i)) ))