ref: a57a6e511f15c02b4fd2690197b6f1333b171193
dir: /sys/src/cmd/python/Doc/tools/keywords.py/
#! /usr/bin/env python # This Python program sorts and reformats the table of keywords in ref2.tex l = [] try: while 1: l = l + raw_input().split() except EOFError: pass l.sort() for x in l[:]: while l.count(x) > 1: l.remove(x) ncols = 5 nrows = (len(l)+ncols-1)/ncols for i in range(nrows): for j in range(i, len(l), nrows): print l[j].ljust(10), print