ZSH Tips - `fc` Examples

zsh-tips_fc-examples.md

ZSH Tips - fc Examples

Tags: zsh, fc command, command history

This gist provides useful examples and tips on how to utilize the fc command in zsh (Z Shell) to interact with and manipulate your command history effectively.

• Editing the Previous Command: Open the last command in your default editor to make changes before re-execution.

  fc

• Repeating a Specific Command: Execute a specific command from the history without opening an editor.

  fc -s 15

• Deleting a Range of Commands: Delete a range of commands from the history, such as deleting commands 10 to 20.

  fc -e : -l 10 -r 20 -d

• Repeating the Previous Command with sudo: Execute the previous command with sudo privileges.

  fc -s sudo !!

• Editing a Range of Commands: Open a specific range of commands in an editor for modification.

  fc -e <editor> -l 5 -r 10

• Executing the Previous Command with Additional Arguments: Repeat the last command but with some modifications.

  fc -s "$(fc -ln -1 | sed 's/original/replacement/')"

• Executing the nth-to-last Command: Execute the command that is, for example, three commands before the last command.

  fc -s -3

• Deleting the Last Command: Delete the last command from your history.

  fc -e : -1

  This command deletes the last command from the command history using the fc command. The : represents the null editor, and -1 specifies the last command.