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From: Harald van Dijk <harald@gigawatt.nl>
To: Ron Yorston <rmy@frippery.org>,
	dash@vger.kernel.org, dash@mattwhitlock.name
Subject: Re: Bug in Dash's unquoting of backslashes within backquoted strings
Date: Thu, 21 May 2020 23:02:02 +0100	[thread overview]
Message-ID: <e8735922-37c2-0250-1956-079ea761f1fd@gigawatt.nl> (raw)
In-Reply-To: <5ec6f4d5.8pMzL3JNioCKa/Fi%rmy@frippery.org>

On 21/05/2020 22:38, Ron Yorston wrote:
> Matt Whitlock wrote:
>> A minimal example:
>>
>> : `: "\\\\
>> \\$(bug)"`
> 
>> However, when it appears inside a backquoted subcommand (with the
>> backslash characters being appropriately escaped), such as given at the top
>> of this report, then Dash processes it incorrectly:
>>
>> /bin/sh: 1: bug: not found
> 
> This seems to have been introduced by commit 6bbc71d (parser: use
> pgetc_eatbnl() in more places).  Reverting the following part of the
> commit makes the problem go away:

Yes, that commit (a patch I had submitted) was buggy and the part that 
you suggest reverting should be.

Cheers,
Harald van Dijk

      parent reply	other threads:[~2020-05-21 22:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-21 20:06 Matt Whitlock
2020-05-21 21:38 ` Ron Yorston
2020-05-21 21:57   ` Ron Yorston
2020-05-26 13:19     ` parser: Fix double-backslash nl in old-style command sub Herbert Xu
2020-05-21 22:02   ` Harald van Dijk [this message]

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