sh: functions -> bin/

1 files changed, 10 insertions, 0 deletions

diff --git a/bin/make-parent-dirs b/bin/make-parent-dirs
new file mode 100755
index 000000000..f4717b249
--- /dev/null
+++ b/bin/make-parent-dirs
@@ -0,0 +1,10 @@
+#! /bin/sh
+# make-parent-dirs : lines path |> lines directory
+# List all parent directories of a path.
+set -euf
+
+set -- "$(sed -n 's|/[^/]*$||p' | grep . | sort | uniq)"
+if echo "$1" | grep -q .; then
+  echo "$1"
+  echo "$1" | make-parent-dirs
+fi