#!/usr/bin/env python3 # -*- coding: utf-8 -*- # # The MIT License (MIT) # Copyright (c) 2015 Thomas Lovén # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # The above copyright notice and this permission notice shall be included in all # copies or substantial portions of the Software. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. 'Columnize text with ANSI escape codes' from __future__ import print_function import getopt from os import path import re import sys try: # Python 3 from itertools import zip_longest except ImportError: # Python 2 from itertools import izip_longest as zip_longest progname = path.basename(sys.argv[0]) def getlength(s): 'Find length of a string, ignoring escape sequences' s = re.sub('\x1b\[[0-9;]*m', '', s) return len(s) def usage(): print('Columnize text with ANSI escape codes') print('usage:', progname, '[-s sep]') try: opts,args = getopt.getopt(sys.argv[1:], 'ts:') opts = dict(opts) except getopt.GetoptError as err: print(progname, ':', str(err)) usage() sys.exit(2) splitchar = opts.get('-s', '\t') lines = [] lengths = [] # Read each line from stdin for line in sys.stdin: cols = line.strip().split(splitchar) lines.append(cols) # Calculate the widths of each column width = [getlength(col) for col in cols] # Save the longest columns' lengths lengths = map(max, zip_longest(lengths, width, fillvalue=0)) lengths = list(lengths) for line in lines: thisline = '' for i,col in enumerate(line): spaces = ' '*(lengths[i]-getlength(col)+1) thisline += col + spaces print(thisline.rstrip())