diff --git a/git-find-commit-containing-exact-same-file.sh b/git-find-commit-containing-exact-same-file.sh
new file mode 100755
index 0000000..65b6d33
--- /dev/null
+++ b/git-find-commit-containing-exact-same-file.sh
@@ -0,0 +1,11 @@
+#from: https://www.reddit.com/r/git/comments/ja0ro8/given_a_specific_file_how_can_i_find_on_which/
+
+#find_by_hash() {
+  hash=`git hash-object $1`
+  git rev-list --all -- $2 | while read rev
+  do
+    git ls-tree -r "$rev" | grep $hash >/dev/null && echo "$rev"
+  done
+#}
+#find_by_hash()
+