$ find . -type f | xargs grep -l '^#!/'
./TODOs.org
./.git/hooks/pre-commit.sample
./.git/hooks/pre-push.sample
./.git/hooks/pre-merge-commit.sample
./.git/hooks/fsmonitor-watchman.sample
./.git/hooks/pre-applypatch.sample
./.git/hooks/pre-push
./.git/hooks/prepare-commit-msg.sample
./.git/hooks/commit-msg.sample
./.git/hooks/post-update.sample
./.git/hooks/pre-receive.sample
./.git/hooks/applypatch-msg.sample
./.git/hooks/pre-rebase.sample
./.git/hooks/update.sample
./build-aux/with-guile-env.in
./build-aux/test-driver
./build-aux/missing
./build-aux/install-sh
./build-aux/install-sh~
./bootstrap
./scripts/assert-todos.sh
./scripts/songbooks
./scripts/compile-readme.sh
./scripts/ci-build.sh
./scripts/generate-tasks-and-bugs.sh
./scripts/songbooks.in
./scripts/with-container.sh
./scripts/assert-shellcheck.sh