unhash Verified current stable Not installed? Programming

Unhash / Alias Unfunction Unhash

Alias Unfunction Unhash

Reverts shell function definitions back to their original command state.

$
Terminal
unhash -f

When To Use

When a shell function has overridden a command, and the original functionality is needed for script execution or manual command use.

Pro Tip

Use `type <function_name>` to verify if a function is currently defined before unhashing.

Warning

Destructive operation. Confirm the target path and keep a backup before executing.

Anatomy of Output

Understanding the result

unhash -f Unhash Command

Initiates reverting the recent hash or function.

Function f overridden by command /bin/command-name Unhash Action Log

Detailing which function is reverted.

Unhashing complete: reverted to original command Completion Notification

Indicates that the original command is now active.

Power User Variants

Optimized versions

unhash -v

Verbose version of unhash to see detailed operations.

unhash -a

Unhash all functions at once.

Troubleshooting

Common pitfalls

unhash: command not found

Solution: Ensure the command exists in the path; check using `which command-name`.

unhash: no function defined

Solution: Verify that a function is currently overriding it.

unhash: unable to remove non-functional definitions

Solution: Check for syntax errors in the function definitions.

Command Breakdown

What each part is doing

unhash
Base Command
The executable that performs this operation. Here it runs Unhash before the shell applies any redirect operators.
-f
Command Option
Tool-specific option used by this command invocation.

Alternative Approaches

Comparable commands in other tools

Alternative programming tools for the same job.