#!/usr/bin/env python # # # Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you 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 operator def count(infile): # infile should be a simple file with author names on each line counts = {} for line in infile: author = line.strip() counts[author] = counts.get(author, 0) + 1 return counts def histogram(counts, width): max_len = max([len(author) for author in counts.keys()]) max_count = max(counts.values()) adjustor = float(max_count) / (width - max_len - 3) for author, count in sorted(counts.items(), key=operator.itemgetter(1), # sort on count reverse=True): print("%-*s | %s" % (max_len, author, "X"*int(count/adjustor))) if __name__ == '__main__': if len(sys.argv) < 2: ### TODO: Automagically determine terminal width width = 80 else: width = int(sys.argv[1]) histogram(count(sys.stdin), width)