<shachaf> ` echo $\'#!/bin/bash\\ntopic=$(echo "$1" | lowercase | cut -d / -f 1)\\n[ -z "$topic" ] && exit 1\\nvalue=$(echo "$1" | cut -d / -f 2-)\\necho "$value" > wisdom/"$topic" && echo "Learned \xc2\xab$topic\xc2\xbb"\' > bin/slashlearn

! ls -e a