<b_jonas> learn ayacc is ais523\'s yacc parser generator implementation, get it from (darcs clone http://nethack4.org/projects/ayacc) or a snapshot from "http://nethack4.org/pastebin/ayacc-2020-04.tar.gz".

lastfiles "$@" | while read f; do echo -n "$f//"; hg cat -r "$(hg log --removed --template '{rev}\n' "$f" | tail -n+2 | head -n1)" "$f"; done