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<oerjan> slbd undo//1acd ${HACKENV-/hackenv}
author HackEso <hackeso@esolangs.org>
date Wed, 20 Nov 2019 04:12:48 +0000
parents 627b52c6b2cb
children
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OLD="$HACKENV/wisdom/$1"; [ -z "$1" ] && OLD="$(lastfiles)"; NEW="${OLD}s"; if [ -f "$NEW" ]; then echo "«${NEW}» already exists"; exit 1; fi; mv "$OLD" "$NEW" && echo "«${OLD}» -> «${NEW}»"