diff --git a/bin/git-obliterate b/bin/git-obliterate
new file mode 100644
index 0000000..0cb1d6c
--- /dev/null
+++ b/bin/git-obliterate
@@ -0,0 +1,3 @@
+file=$1
+test -z $file && echo "file required." 1>&2 && exit 1
+git filter-branch -f --index-filter "git rm --cached $file --ignore-unmatch" --prune-empty --tag-name-filter cat -- --all