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spirit committed 2e07bc4

Command-line exit status

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guess_language/__main__.py

     with open(sys.stdin.fileno(), encoding=encoding) as f:
         text = "\n".join(f.readlines())
     guess_language.USE_ENCHANT = args.use_enchant
-    print(guess_language.guess_language(text))
+    tag = guess_language.guess_language(text)
+    print(tag)
+    return 0 if tag else 1
 
 
 if __name__ == "__main__":