Add epilogs to each OptionParser in pysawsim.

[sawsim.git] / pysawsim / sawsim_histogram.py

diff --git a/pysawsim/sawsim_histogram.py b/pysawsim/sawsim_histogram.py
index 6ca2cb22295e2b43baa2b8deb224bbc58990e155..ef02ffe0e1c02428d227072facce728da86cd3ba 100644 (file)
--- a/pysawsim/sawsim_histogram.py
+++ b/pysawsim/sawsim_histogram.py
@@ -61,8 +61,12 @@ def main(argv=None):
 
     sr = SawsimRunner()
 
-    usage = "%prog [options] velocity_file"
-    parser = OptionParser(usage)
+    usage = '%prog [options]'
+    epilog = '\n'.join([
+            'Generate an unfolding force histogram from a series of `sawsim`',
+           'runs.',
+            ])
+    parser = OptionParser(usage, epilog=epilog)
     for option in sr.optparse_options:
         parser.add_option(option)
     parser.add_option("-w", "--bin-width", dest="bin_width",