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@@ -9,6 +9,7 @@ except ImportError:
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import os
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import tempfile
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+import sys
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def merge(files):
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@@ -398,6 +399,11 @@ def parse_args():
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args, remainder = parser.parse_args()
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+ # If no arguments have been passed, show the help message and exit
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+ if len(sys.argv) == 1:
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+ parser.print_help()
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+ sys.exit(1)
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+
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return args
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