filterdiff(1) on Linux
The text 5bcfd8c44e20, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
extract or exclude diffs from a diff file
Flags it lists
-
-# -
--addnewprefix -
--addoldprefix -
--addprefix -
--annotate -
--as-numbered-lines -
--clean -
--decompress -
--exclude -
--exclude-from-file -
--files -
--format -
--grep -
--help -
--hunks -
--include -
--include-from-file -
--lines -
--list -
--remove-timestamps -
--strip -
--strip-match -
--verbose -
--version -
-F -
-I -
-X -
-i -
-p -
-v -
-x -
-z