# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1607094641 -3600
# Node ID 77446cd3ea6f4308f64969c7e5595e04c8fd3fb2
# Parent  81f28bf89c269b473277c329564150d73a2e562d
Move the digest generation loop from "main()" into an own function "generate_digests()".

This is to prepare for proper "--check" support in the future.

diff -r 81f28bf89c26 -r 77446cd3ea6f shasum.py
--- a/shasum.py	Fri Dec 04 15:50:28 2020 +0100
+++ b/shasum.py	Fri Dec 04 16:10:41 2020 +0100
@@ -56,13 +56,16 @@
     if not opts.algorithm:
         opts.algorithm = argv2algo("1")
 
+    if not opts.files:
+        opts.files.append('-')
+    generate_digests(opts)
+
+
+def generate_digests(opts):
     if opts.bsd:
         out = out_bsd
     else:
         out = out_std
-
-    if not opts.files:
-        opts.files.append('-')
     if len(opts.files) == 1 and opts.files[0] == '-':
         if PY2:
             if sys.platform == "win32":