ref: 54a79e5b18c2add939feafb2a3f1128c8b7e4d06 dir: /harmful/☭rm/
#!/bin/rc rm `' '{diff <{lr -dQ $1 | sort} <{cd $2 && lr -dQ $1 | sort} | sed -n '/^< /s/^< //p' | tac}