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Re: syntax error while parsing a case command within `$(...)'
From: |
Oğuz |
Subject: |
Re: syntax error while parsing a case command within `$(...)' |
Date: |
Sun, 14 Feb 2021 07:26:21 +0300 |
14 Şubat 2021 Pazar tarihinde Robert Elz <kre@munnari.oz.au> yazdı:
> Date: Sat, 13 Feb 2021 23:21:36 +0300
> From: =?UTF-8?B?T8SfdXo=?= <oguzismailuysal@gmail.com>
> Message-ID: <CAH7i3LrrtgJSZWXFK_5zSNvTwTue9a9j7K=iC=Lw2PBpecW6
> jQ@mail.gmail.com>
>
> | $ bash -c ': $(case x in x) esac)'
>
> This is a well known bash deficiency. When parsing command substitutions
> it (approximately) simply counts (unquoted) parentheses to find the end.
> Anything with a valid closing ')' but with no opening '(' confuses it.
>
> Your example is one, perhaps the most common (and is why the optional
> leading '(' in case patterns was added to the syntax - so it is possible
> to survive with shells that work this way, but ')' in a here doc in the
> command substitution is another).
>
> This problem has been known for a LONG time, without it being fixed.
> Fixing it would take major work in the parser, so the chances of it
> happening are not all that great.
I didn't know that, but I don't think fixing this case only would take
major work.
By the way, Gmail's marking your emails as spam again.
>
> kre
>
>
--
Oğuz
- Re: syntax error while parsing a case command within `$(...)', (continued)
- Re: syntax error while parsing a case command within `$(...)', Robert Elz, 2021/02/14
- Re: syntax error while parsing a case command within `$(...)', Stephane Chazelas, 2021/02/14
- Re: syntax error while parsing a case command within `$(...)', Robert Elz, 2021/02/14
- Re: syntax error while parsing a case command within `$(...)', Oğuz, 2021/02/14
- Re: syntax error while parsing a case command within `$(...)', Chet Ramey, 2021/02/15
Re: syntax error while parsing a case command within `$(...)',
Oğuz <=
Re: syntax error while parsing a case command within `$(...)', Lawrence Velázquez, 2021/02/13
Re: syntax error while parsing a case command within `$(...)', Chet Ramey, 2021/02/15
Re: syntax error while parsing a case command within `$(...)', Dale R. Worley, 2021/02/14