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Re: echo "enhancement" leads to confused legacy script tools...
From: |
Eric Blake |
Subject: |
Re: echo "enhancement" leads to confused legacy script tools... |
Date: |
Tue, 28 Mar 2006 04:56:49 -0700 |
User-agent: |
Thunderbird 1.5 (Windows/20051201) |
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According to Paul Eggert on 3/20/2006 11:58 PM:
>>> There's a little history here. POSIX 1003.2-1992 said that echo has
>>> implementation-defined behavior if given any options, or if any
>> Are you sure about "any option"? The current spec only talks about -n.
>
> Yes, I have the printed copy of POSIX 1003.2-1992, and it has
> different wording in this area.
POSIX 1003.1-2001 states on line XCU 12820 that "Implementations shall not
support any options." When compiled for xpg (or using shopt -s xpg_echo),
both -e and -n should therefore be literal strings, not options.
- --
Life is short - so eat dessert first!
Eric Blake address@hidden
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Re: echo "enhancement" leads to confused legacy script tools..., Andreas Schwab, 2006/03/22
Re: echo "enhancement" leads to confused legacy script tools..., Chet Ramey, 2006/03/28
Re: echo "enhancement" leads to confused legacy script tools..., Andreas Schwab, 2006/03/23