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How can I make pressing up/down on bash bring up the last command that started with the prefix I already entered?

E.g.

$ ls foo
$ echo hello
$ ls <UP_ARROW>

Clicking UP after entering ls should bring up "ls foo" and not "echo hello"

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1 Answer 1

up vote 9 down vote accepted

A few possibilities:

  1. Bind the history-search-backward/forward commands. I believe this is closest to what you want:

    bind '"\e[A":history-search-backward'
    bind '"\e[B":history-search-forward'
    
  2. Use the history i-search. This is probably bound to ^R. On an empty line, ^Rls<space> will get you back to ls foo, then ^R again will take you to the last ls command (or other command with ls somewhere in the line) before ls foo, etc...

  3. Bind the magic-space command: bind SPACE:magic-space. Then type (on an empty line) !ls<space>, and readline will perform history substitution automatically, leaving you with ls foo.

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1  
Thanks. I took option 1, and with the help of this old answer, realized that \e[B will bind the down arrow. –  ripper234 May 27 '11 at 18:51
    
I edited your question to include history-search-forward (well, submitted an edit to the edit queue) –  ripper234 May 27 '11 at 18:53

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