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<boily> le/rn fat//Fats are one of the four basic classes of nutrients. The other three are sugars, coffee and alcohol.
author HackBot
date Sun, 11 Dec 2016 19:43:51 +0000
parents 6cd17a5c5808
children 42f2882255c3
line wrap: on
line source

sep="//"
[[ "$1" == ?*"$sep"* ]] || exit 1
topic="$(echo "${1%%$sep*}" | lowercase)"
stuff="${1#*$sep}"
perl -i -p -e 's/\n/ /' "wisdom/$topic"
echo "$stuff" >>"wisdom/$topic"
echo -n "Learned '$topic': "
cat "wisdom/$topic"