[This message has also been posted to linux.debian.user.]
In article <9nwMV-4pJ-13@gated-at.bofh.it>, Serena Cantor wrote:
> I often use UP key to get commands entered previously. The shell show some commands again and
> again, just because I have used them several times. Can the shell be more smart?

This is bash, right? Bash is already smart. It's keeping the
whole history in case you forgot what you did. Don't fight
it, use it.

1. Edit your /etc/inputrc file and add the line

set editing-mode vi

near the beginning of the file. Now your shell, and
anything else that uses GNU Readline, will have a fine
set of history editing commands. Emacs users feel
free to set it to emacs.
If you just want to change the shell, and leave everything
else emacs-ish, type

set -o vi

into your shell, or put that in ~/.bashrc

2. Don't use the uparrow any more. That's what the
k key is for. Escape k k k k k
Notice most visual editing commands work, so you can
change the commands instead of just recalling them.
When you get tired of that, there is a search command.

Escape /^grep

to find the last command that began with grep.
Your favorite regular expressions work. Now you can blow
past the duplicate commands to the one you want.


Cameron


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On Mon, Nov 12, 2007 at 10:49:49PM -0800, cls@truffula.sj.ca.us wrote:
>
> [This message has also been posted to linux.debian.user.]
> In article <9nwMV-4pJ-13@gated-at.bofh.it>, Serena Cantor wrote:
> > I often use UP key to get commands entered previously. The shell show some commands again and
> > again, just because I have used them several times. Can the shell be more smart?

Put this line into .bashrc:

export HISTCONTROL=ignoredups


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On Wed, 14 Nov 2007 11:09:35 +0100, Misko wrote:

> On Mon, Nov 12, 2007 at 10:49:49PM -0800, cls@truffula.sj.ca.us wrote:
>>
>> > I often use UP key to get commands entered previously. The shell show some commands again and
>> > again, just because I have used them several times. Can the shell be more smart?
>
> Put this line into .bashrc:
>
> export HISTCONTROL=ignoredups

Mine is

export HISTCONTROL=ignoreboth

Even more cleaner.

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