Use argparse for inputrename.

inputrename.py

@@ -3,12 +3,34 @@ import sys
 
 from voussoirkit import winglob
 
-keyword = sys.argv[1]
+import argparse
-pattern = f'*{keyword}*'
+import sys
 
-files = winglob.glob(pattern)
+def inputrename_argparse(args):
-for file in files:
+    pattern = f'*{args.keyword}*'
+
+    files = winglob.glob(pattern)
+    prev = None
+    for file in files:
         print(file)
-    this = input('>')
+        this = input('> ')
+        if this == '' and prev is not None:
+            this = prev
         if this:
-        os.rename(file, file.replace(keyword, this))
+            os.rename(file, file.replace(args.keyword, this))
+        prev = this
+
+def main(argv):
+    parser = argparse.ArgumentParser(description=__doc__)
+
+    parser.add_argument('keyword')
+    parser.set_defaults(func=inputrename_argparse)
+
+    args = parser.parse_args(argv)
+    return args.func(args)
+
+if __name__ == '__main__':
+    try:
+        raise SystemExit(main(sys.argv[1:]))
+    except KeyboardInterrupt:
+        raise SystemExit(1)