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diff --git a/longbow/src/python/longbow-size-report.py b/longbow/src/python/longbow-size-report.py
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+++ b/longbow/src/python/longbow-size-report.py
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+#! /usr/bin/env python
+# Copyright (c) 2017 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+#
+
+import sys
+import os
+import subprocess
+import difflib
+import csv
+import argparse
+sys.path.append("@INSTALL_PYTHON_DIR@")
+import LongBow
+from pprint import pprint
+
+def textOutputFile(file, maximumFileNameLength):
+    format = "%-" + str(maximumFileNameLength) + "s %6d"
+    print format % (file[0], file[1])
+    return
+
+def textSummary(files):
+    maximumFileNameLength = max(map(lambda file: len(file[0]), files))
+    map(lambda file: textOutputFile(file, maximumFileNameLength), files)
+    return
+
+def csvOutputFile(file):
+    format = "size,%s,%d"
+    print format % (file[0], file[1])
+    return
+
+def csvSummary(files):
+    map(lambda file: csvOutputFile(file), files)
+    return
+
+def textTotal(files):
+    total = sum(map(lambda file: file[1], files))
+    print total
+    return
+
+def csvTotal(files):
+    total = sum(map(lambda file: file[1], files))
+    print total
+    return
+
+def main():
+    desc = '''
+Report on number of lines of one or more C source or header files.
+
+Input is either from a list of files supplied as command line parameters,
+or as a list of newline separated file names read from standard input.
+Output is a plain text (default) or a CSV file reporting
+the file name and the total number of lines in the file.
+
+Usage:
+
+% longbow-size-report *.[ch]
+
+Report the number of lines in .c and .h files specified as command line parameters.
+
+% longbow-size-report -
+Read the lists of files from standard input, one file per line.
+
+$ longbow-size-report parc_JSON.c
+parc_JSON.c    239
+$
+$
+$ echo parc_JSON.c | longbow-size-report -o csv -
+parc_JSON.c,239
+$
+'''
+
+    parser = argparse.ArgumentParser(prog='longbow-size-report', formatter_class=argparse.RawDescriptionHelpFormatter, description=desc)
+    parser.add_argument('-', '--stdin', default=False, action="store_true", required=False, help="read the list of files from standard input.")
+    parser.add_argument('-s', '--summary', default=False, action="store_true", required=False, help="display the number of lines for each file")
+    parser.add_argument('-t', '--total', default=False, action="store_true", required=False, help="display the total number of lines for all files")
+    parser.add_argument('-o', '--output', default="text", action="store", required=False, type=str, help="the output format: \"text\" or \"csv\"")
+
+    parser.add_argument("files", help="Files to check", nargs="*")
+
+    args = parser.parse_args()
+
+    if args.summary == False and args.total == False:
+        args.summary = True
+
+    targets = []
+
+    if args.stdin:
+        for line in sys.stdin:
+            t = line.strip()
+            if len(t) > 0:
+                targets.append(t)
+    else:
+        targets = args.files
+
+    if len(targets) == 0:
+        parser.print_usage()
+        sys.exit(1)
+
+    files = map(lambda fileName: [ fileName, LongBow.countLines(fileName)], targets)
+    total = sum(map(lambda element: element[1], files))
+
+    if args.summary:
+        if args.output == "text":
+            textSummary(files)
+        else:
+            csvSummary(files)
+
+    if args.total:
+        if args.output == "text":
+            textTotal(files)
+        else:
+            csvTotal(files)
+
+if __name__ == '__main__':
+    '''
+    @(#) longbow-size-report @VERSION@ @DATE@
+    @(#)   All Rights Reserved. Use is subject to license terms.
+    '''
+    main()