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Path: eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Wayne <wayne@nospam.invalid>
Newsgroups: comp.unix.programmer,comp.unix.shell
Subject: Re: Long filenames in DOS/Windows and Unix/Linux
Date: Tue, 3 Sep 2024 13:56:08 -0400
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On 9/1/2024 3:03 AM, Lawrence D'Oliveiro wrote:
> I wrote:
> 
>> If you avoid newlines in filenames, Posix shells can cope with anything
>> else if you set “IFS=$'\n'”.
> 
> Sorry, no, it looks like the “$'...'” syntax for string literals is not
> from Posix, it’s a Bash-ism.

Actually, dollar quotes were added to POSIX as of SUS Issue 8:

"2.2.4 Dollar-Single-Quotes
A sequence of characters starting with a <dollar-sign> immediately followed
by a single-quote ($') shall preserve the literal value of all characters up to
an unescaped terminating single-quote ('), with the exception of certain
<backslash>-escape sequences, as follows:
...."

<https://pubs.opengroup.org/onlinepubs/9799919799/>

-- 
Wayne