<wib_jonas> `` perl -pi -e \'s/^(url\\(1hackeso\\) -) .*/$1 print URL for a file in the hackenv hg repository and web access of the repository/; print\' share/whatis

#!/bin/sh
topic=$(echo "$1" | tr A-Z a-z)
[ -e "wisdom/$topic" ] || { echo "$1? ¯\(°_o)/¯"; exit 1; }
cat "wisdom/$topic"