args: Prefer dashes to underscores

diff --git a/args.py b/args.py
index b765fc645335ba9fdbb8db6c445e4baf079a75df..fc7a0f7af147073450761e06fa262a3eea66992d 100644 (file)
--- a/args.py
+++ b/args.py
@@ -31,7 +31,7 @@ def _print_status(msg: str) -> None:
 def _command_line_parser() -> ArgumentParser:
     parser = ArgumentParser(prog='paperdoorknob', description='Print glowfic')
     parser.add_argument(
-        '--cache_path',
+        '--cache-path',
         metavar='PATH',
         help='Where to keep the http cache (instead of %(default)s)',
         default=os.path.join(xdg_cache_home(), "paperdoorknob"))
@@ -51,7 +51,7 @@ See https://faculty.bard.edu/bloch/geometry.pdf for details
         help='Which HTML filters to use (default: %(default)s)',
         default=','.join(f[0] for f in HTMLFilters))
     parser.add_argument(
-        '--image_size',
+        '--image-size',
         help='How large the icon images are, in mm',
         default=20)
     parser.add_argument(