Use vi commands to edit your command lines

set -o vi; ls -l jnuk<ESC>bCjunk
If you spend all day editing in vi then switching your fingers to Emacs mode just for the command line can be difficult. Use set -o vi in your bash shell and enjoy the power of a real editor.

1
By: jonty
2009-02-05 22:58:51

These Might Interest You

  • Bash history commands are those that begin with the character ! (eg. the most popular 'sudo !!' Explained here => http://www.commandlinefu.com/commands/view/13). By default bash immediately executes the history command. Setting this shell option will make bash first allow you to verify/edit an history command before executing it. To set this option permanently, put this command in ~/.profile or ~/.bashrc file. To unset this option issue following command. shopt -u histverify Show Sample Output


    13
    shopt -s histverify
    b_t · 2011-10-27 00:33:34 0
  • eh stands for Edit History . Frequently, I'll mistype a command, and then step back through my history and correct the command. As a result, both the correct and incorrect commands are in my history file. I wanted a simple way to remove the incorrect command so I don't run it by mistake. . When running this function, first the ~/bash_history file is updated, then you edit the file in vi, and then the saved history file is loaded back into memory for current usage. . while in vi, remember that `Shift-G` sends you to the bottom of the file, and `dd` removes a line. . this command is different than bash built-in `fc` because it does not run the command after editing.


    7
    eh () { history -a ; vi ~/.bash_history ; history -r ; }
    unixmonkey8121 · 2011-03-23 18:00:20 5
  • "nl -ba" numbers all lines in the file (including empty lines), "sort -nr" sorts the lines in descending order, and the "cut" command finally removes the line numbers again.


    0
    nl -ba FILE | sort -nr | cut -f2-
    maher · 2012-06-24 23:07:06 1
  • If you would like to edit a previous command, which might be long and complicated, you can use the fc (I think it stands for fix command). Invoke fc alone will edit the last command using the default editor (specified by $FCEDIT, $EDITOR, or emacs, in that order). After you make the changes in the editor, save and exit to execute that command. The fc command is more flexible than what I have described. Please 'man bash' for more information.


    10
    fc [history-number]
    haivu · 2009-03-20 15:09:43 6

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Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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