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+#! /usr/bin/env python
+#
+# List bibtex file in human readable format
+#
+
+# Copyright (c) 2007, Peter Corke
+#
+# All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+# * The name of the copyright holder may not be used to endorse or
+# promote products derived from this software without specific prior
+# written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+# THE POSSIBILITY OF SUCH DAMAGE.
+
+import Bibliography;
+import BibEntry;
+import BibTeX;
+import string;
+import sys;
+import optparse;
+
+## parse switches
+usage = '''usage: %prog [options] [bibfiles]
+
+:: Display bibtex file in human readable format'''
+p = optparse.OptionParser(usage)
+p.add_option('--brief', dest='showBrief', action='store_true',
+ help='brief listing (one line per entry)');
+p.add_option('--abbrev', dest='resolveAbbrevs', action='store_true',
+ help='resolve abbreviations from defined strings');
+#p.add_option('--resolve', dest='resolve', action='store_true',
+# help='resolve cross reference entries');
+p.set_defaults(showBrief=False, resolveAbbrevs=False);
+(opts, args) = p.parse_args()
+globals().update(opts.__dict__)
+
+if len(args) == 0 and sys.stdin.isatty():
+ p.print_help();
+ sys.exit(0);
+
+## read the input files
+bib = BibTeX.BibTeX();
+if args:
+ for f in args:
+ bib.parseFile(f);
+else:
+ bib.parseFile();
+
+# resolve cross refs and abbreviations
+bib.resolveCrossRef();
+if resolveAbbrevs:
+ bib.resolveAbbrev();
+
+# output the readable text
+for be in bib:
+ if showBrief:
+ be.brief();
+ else:
+ be.display();
+ print