unset

Remove shell variables or functions. More information: https://www.gnu.org/software/bash/manual/bash.html#index-unset.

• Remove the variable foo, or if the variable doesn’t exist, remove the function foo:

unset {{foo}}

• Remove the variables foo and bar:

unset -v {{foo}} {{bar}}

• Remove the function my_func:

unset -f {{my_func}}