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Re: "echo" does not follow the "getopt" convention

From: Andreas Schwab
Subject: Re: "echo" does not follow the "getopt" convention
Date: Tue, 19 Aug 2014 09:40:41 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Peng Yu <address@hidden> writes:

> The following shows that echo does not following the "getopt"
> convection.

POSIX requires that:

    The echo utility shall not recognize the "--" argument in the manner
    specified by Guideline 10 of XBD Utility Syntax Guidelines; "--"
    shall be recognized as a string operand.

It also says: New applications are encouraged to use printf instead of


Andreas Schwab, SUSE Labs, address@hidden
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