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	diff --git a/bin/yoda2yoda b/bin/yoda2yoda
	new file mode 100644
	--- /dev/null
	+++ b/bin/yoda2yoda
	@@ -0,0 +1,28 @@
	+#! /usr/bin/env python
	+
	+"""\
	+%prog yodafile [yodafile2]
	+
	+Convert a YODA data file to another YODA file (for convenient tidying and filtering).
	+Like yodacnv, but allows output to stdout since the output format isn't auto-detected.
	+"""
	+
	+import yoda, os, sys, optparse
	+from yoda.script_helpers import parse_x2y_args, filter_aos
	+
	+parser = optparse.OptionParser(usage=__doc__)
	+parser.add_option("-m", "--match", dest="MATCH", metavar="PATT", default=None,
	+ help="Only write out histograms whose path matches this regex")
	+parser.add_option("-M", "--unmatch", dest="UNMATCH", metavar="PATT", default=None,
	+ help="Exclude histograms whose path matches this regex")
	+
	+opts, args = parser.parse_args()
	+in_out = parse_x2y_args(args, ".yoda", ".yoda")
	+if not in_out:
	+ sys.stderr.write("You must specify the YODA input and output file names\n")
	+ sys.exit(1)
	+
	+for i, o in in_out:
	+ analysisobjects = yoda.readYODA(i)
	+ filter_aos(analysisobjects, opts.MATCH, opts.UNMATCH)
	+ yoda.writeYODA(analysisobjects, o)