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List or edit and re-execute commands from the history list

fc -l

March 15, 2012bashoneliners

Explanation

fc is a little known but very useful bash built-in.

  • fc -l will list the most recent 16 commands
  • fc will open the last command in a text editor defined in the environmental variable FCEDIT or EDITOR or else vi, and re-execute when you exit
  • fc 5 9 will open the history entries 5 to 9 in a text editor
  • fc -s pat=sub will run the last command after substituting pat with sub in it (does not open editor)
  • fc -s pat=sub cc is the same but on the last command starting with cc
  • fc -s cc will run the last command starting with cc

For more info see help fc.