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From: Martin Schulte <gnu@schrader-schulte.de>
Newsgroups: gnu.bash.bug
Subject: Re: echo builtin doesn't handle end-of-options flag
Date: Sun, 16 Aug 2020 18:24:31 +0200
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Hello Todd,

Eric Cook wrote:
> This is an intentional relic of the past, you really should use printf.

See https://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html#tag_20_37_18 

BTW/1:

Because of this /bin/echo behaves the same way in most Linux distribution.

BTW/2:

echo -n -n$'\n'

will print a -n in the bash.

Best regards

Martin