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In bash the Ctrl+r command is very useful, I type Ctrl+r whatever and it searchs my history for commands containing the word whatever. But if I type whatever and realize that I would like search that word and hit Ctrl+r nothing happens.

Is there a way hitting a key and having it behaving as if I had typed Ctrl+r whatever instead of whatever Ctrl+r?

I have the following in my .inputrc:

"\C-p": history-search-backward

but this only works if the beginning of the line is the same.

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1 Answer 1

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You can search bash's history using what you have already typed easily.

Suppose you have just typed curl -I http://superuser.com and you forgot to type Ctrl+r first:

$ curl -I http://superuser.com

If you want to do an i-search on your history, go to the beginning of line first (Ctrl+a), enter i-search (Ctrl+r) and type Ctrl+y. This should search using the contents of the whole text you already typed:

(reverse-i-search)`curl -I http://superuser.com': curl -I http://superuser.com/faq

Alternatively, you can use Ctrl+w instead of Ctrl+y to search using just the first word of the text you just typed:

(reverse-i-search)`curl': curl -I http://superuser.com/faq

Binding it all to a single key

If you want to do all this in one keystroke, you can bind a single key to a keyboard macro. If you want to use, say, F12 run:

$ bind '"\e[24~":"\C-a\C-r\C-y"'

That will last for the session.

Making it permanent

Just define the macro in your ~/.inputrc:

"\e[24~":"\C-a\C-r\C-y"

Note that here we omit the single quotes.

You might find this answer useful.

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I am not sure if it is a problem with my configuration, but after I type c-r typing c-y does not paste anything there. If I type c-y by itself just pastes the text, so I cannot combine the two commands... –  skeept Nov 5 '12 at 14:49
    
Do you go to beginning of line first? (C-a) –  hso Nov 5 '12 at 20:15
1  
You are right, I wasn't going to beginning of line. Now I have in my .inputrc "\C-xr": "\C-a\C-r\C-y" and it works very nice! Thanks for this answer. –  skeept Nov 6 '12 at 3:04

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