How to unset environment variable: Difference between revisions
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(Created page with "In <code>bash</code>: bash-3.2$ echo $EDITOR vim bash-3.2$ unset EDITOR bash-3.2$ echo $EDITOR In <code>fish</code>: Downloads $ echo $EDITOR vim Downloads $ set -...") |
(No difference)
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Latest revision as of 14:23, 17 December 2021
In bash:
bash-3.2$ echo $EDITOR vim bash-3.2$ unset EDITOR bash-3.2$ echo $EDITOR
In fish:
Downloads $ echo $EDITOR vim Downloads $ set -e EDITOR Downloads $ echo $EDITOR
A common use case is that editing the .profile does not remove environment variables that have been commented out, so they need to be erased manually. Perhaps a fancy script could parse the .profile and find commented out settings, then unset them.