diff --git a/git-status-all b/git-status-all
index e8a1c21..ca8ac7a 100755
--- a/git-status-all
+++ b/git-status-all
@@ -11,6 +11,8 @@ import os
 import re
 import subprocess
 
+import click
+
 
 # TODO config file (and defaults here)
 IGNORES = [
@@ -36,19 +38,31 @@ def working_directory(directory: Path):
     os.chdir(saved_cwd)
 
 
-for git_directory in git_directories('.'):
-    # technically,we could have a different GIT_DIR than ".git", but this script
-    # assumes ".git".
-    if git_directory.parts[-1] != ".git":
-        continue
-    work_tree_directory = git_directory.parent
-
-    with working_directory(work_tree_directory):
-        try:
-            out = subprocess.check_output(['git', 'status', '-s'], stderr=subprocess.STDOUT)
-            if len(out) > 0:
-                print('== {}\n{}'.format(work_tree_directory, out.decode('utf-8')))
-        except subprocess.CalledProcessError as e:
-            print((Fore.RED + 'git status is unhappy with {}' + Fore.RESET)
-                  .format(work_tree_directory))
-            print(e.output)
+@click.command
+@click.argument('topdirs',  nargs=-1)
+def search_dirty(topdirs):
+    """Search for dirty git working directories in TOPDIRS"""
+    if len(topdirs) == 0:
+        topdirs = ["."]
+
+    for topdir in topdirs:
+        for git_directory in git_directories(topdir):
+            # technically,we could have a different GIT_DIR than ".git", but this script
+            # assumes ".git".
+            if git_directory.parts[-1] != ".git":
+                continue
+            work_tree_directory = git_directory.parent
+
+            with working_directory(work_tree_directory):
+                try:
+                    out = subprocess.check_output(['git', 'status', '-s'], stderr=subprocess.STDOUT)
+                    if len(out) > 0:
+                        print('== {}\n{}'.format(work_tree_directory, out.decode('utf-8')))
+                except subprocess.CalledProcessError as e:
+                    print((Fore.RED + 'git status is unhappy with {}' + Fore.RESET)
+                          .format(work_tree_directory))
+                    print(e.output)
+
+
+if __name__ == '__main__':
+    search_dirty()