import sys from voussoirkit import clipext if len(sys.argv) == 1: sys.argv.append('!i') text = clipext.resolve(sys.argv[1]) lines = text.splitlines() digits = len(str(len(lines))) form = '{no:>0%d} | {line}' % digits for (index, line) in enumerate(lines): print(form.format(no=index+1, line=line))