find . -name "*.t" -delete
find . -name "*.pl" -delete
find . -name "*.p6" -delete
find . -name "*.py" -delete
find . -name "*.js" -delete
find . -name "*.hs" -delete
find . -name "*.lsp" -delete
find . -name "*.txt" -delete
find . -name "*.cpp" -delete
find . -name "*.clj" -delete
find . -name "*.lua" -delete
find . -name "*.raku" -delete
find . -name "*.swift" -delete
find . -name "*.aplf" -delete
rm -rf abigail/Part1
rm -rf abigail/Part2
rm -rf arne-sommer/perl/*
rm -rf arne-sommer/raku/*
rm -rf tyler-wardhaugh/clojure/src/tw/weekly/*