这是一款很好用的工具包

				#!/usr/local/bin/gawk -f				#				# nbest2-to-nbest1 --				#	Convert Decipher NBestList2.0 format to NBestList1.0 format				#				# $Header: /home/srilm/devel/utils/src/RCS/nbest2-to-nbest1.gawk,v 1.4 2004/11/02 02:00:35 stolcke Exp $				#				BEGIN {					magic1 = "NBestList1.0";					magic2 = "NBestList2.0";				}				NR == 1 {					if ($0 != magic2) {						print "Input not in " magic2 " format" >> "/dev/stderr";						exit 1;					}					print magic1;					next;				}				{					prev_end_time = -1;					line = $1;					for (i = 2; i 						start_time = $(i + 3);						end_time = $(i + 5);										# skip tokens that are subsumed by the previous word						# (this eliminates phone and state symbols)						# XXX: due to a bug in Decipher some state tags have incorrect						# timemarks.  We filter them based on their token string.						if (start_time > prev_end_time && !($i ~ /-[0-9]$/)) {							line = line " " $i;							prev_end_time = end_time;						}					}					print line;				}