How do I reset shell variables in my terminal?

How do I reset shell variables in my terminal?

You can reset shell variables by using the unset command followed by the variable name. For example, unset VAR_NAME.

What if I want to reset all variables at once?

You can use a loop to unset all variables, but be cautious as it may affect your session. For example: for var in $(compgen -v); do unset $var; done.

Is there a way to reset only specific types of variables?

Yes, you can filter variables by their prefix or pattern. For instance, to unset all variables starting with 'TEMP', use: unset TEMP*.

Can I reset variables in a script without affecting the global environment?

Yes, you can reset variables within a subshell by using parentheses. For example: (unset VAR_NAME) will only affect the subshell.