+ case $input in
+ http*)
+ path="/f/brains/${input##https://brains.fsf.org/wiki/}"
+ if [[ $path == */ ]]; then
+ path=${path%/}.mdwn
+ fi
+ j printf "%s\n" "$path"
+ ;;
+ *)
+ url=$(readlink -f "$input")
+ url="https://brains.fsf.org/wiki/${url#*brains/}"
+ url="${url%.mdwn}"
+ j echo "$url"
+ ;;
+ esac