Fri, 03 Feb 2017 10:51:08 +0200
minor amendment
#!/usr/bin/env python3 from sys import argv, stderr from os.path import realpath for filename in argv[1:]: with open(filename, 'r') as fp: try: exceeders = [(i + 1) for i, ln in enumerate(fp.read().splitlines()) if len(ln.replace('\t', ' ')) > 140] for linenumber in exceeders: stderr.write('%s:%d: warning: line length exceeds 120 characters\n' % (realpath(filename), linenumber)) except Exception as e: stderr.write('%s: warning: %s: %s\n' % (realpath(filename), type(e).__name__, e))