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Date: Tue, 26 Feb 2002 10:26:09 -0800 (PST)
From: Bart Schaefer <schaefer@brasslantern.com>
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To: Ian Lynagh <igloo@earth.li>
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Subject: Re: Length of %? in prompt
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On Tue, 26 Feb 2002, Ian Lynagh wrote:

> I don't understand this 0 case though - is it a bug?
>
> ian@majestica:~% export PS1="%10>-->0--------%<< "
                                      123456789

There are only a total of 9 characters there, so no truncation is needed.
You need one more hyphen after the zero to get 10 characters.