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Re: Ignoring entries starting with space

From: Juri Linkov
Subject: Re: Ignoring entries starting with space
Date: Thu, 25 Jun 2009 01:08:54 +0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.93 (x86_64-pc-linux-gnu)

>> The same way it is possible to delete duplicates in minibuffer history,
>> I think it is also very useful to have the possibility to ignore
>> entries starting with space(s). The new variable `history-ignore-space'
>> would take care of this, being `nil' its defaut value.
> Could you explain some use cases?

I have one use case where this will be useful.

In http://thread.gmane.org/gmane.emacs.devel/91359/focus=92106
I suggested a piece of code for .emacs that removes potentially
dangerous commands from the minibuffer history.

With a new variable `history-ignore-space'=t this will be unnecessary
since it's possible to not put dangerous commands to the minibuffer history
with just prepending a command with a space like e.g. " rm -rf ."

Juri Linkov

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