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Re: zsh question

X-seq: zsh-workers 8795
From: Bart Schaefer <schaefer@xxxxxxxxxxx>
To: Bob Glickstein <bobg@xxxxxxxxxxx>
Subject: Re: zsh question
Date: Sun, 28 Nov 1999 09:28:12 -0800 (PST)
Cc: zsh-workers@xxxxxxxxxxxxxx
In-reply-to: <14400.50997.74718.705648@xxxxxxxxxxxxxxxxxx>
Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm

On Sat, 27 Nov 1999, Bob Glickstein wrote:

> Hi Bart.  I use "setopt NOCLOBBER," so that I have to append a ! to >
> and >> when the destination file exists.  What I'd really like is an
> option that requires a ! only for > and not for >>.  Is there one?

Just to be sure there's no confusion: NOCLOBBER means > requires a ! when
the file exists, and >> needs a ! when the file does NOT exist.  This is a
csh-ism.  Also: >| and >>| are equivalent to >! and >>!.

No, there's no option to change this.  There's HIST_ALLOW_CLOBBER, which
causes > and >> to be entered into the history as >| and >>|, so that if
you immediately do !! (or C-p RET) the redirection gets forced.  That may
not work inside emacs if shell-mode decides to interpret the !! for you;
I've never been sure exactly when it does that ("Using history item: 7").

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