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<wib_jonas> slashlearn vacuum train//Vacuum trains are the 21st century solution to halt spreading airborne infections on public transport.
author HackEso <hackeso@esolangs.org>
date Mon, 26 Oct 2020 12:56:31 +0000
parents 652d1c5a24be
children
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sep="//"
[[ "$1" == ?*"$sep"* ]] || exit 1
topic="$(echo "${1%%$sep*}" | lowercase)"
stuff="${1#*$sep}"
perl -i -p -e 's/\n/ /' "${HACKENV-/hackenv}/wisdom/$topic"
echo "$stuff" >>"${HACKENV-/hackenv}/wisdom/$topic"
echo -n "Learned '$topic': "
cat "${HACKENV-/hackenv}/wisdom/$topic"