# Copyright (C) 2003-2014 Free Software Foundation, Inc. # Contributed by Kelley Cook, June 2004. # Original code from Neil Booth, May 2003. # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation; either version 3, or (at your option) any # later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; see the file COPYING3. If not see # . # This Awk script takes a list of *.opt files and combines them into # a three-field sorted list suitable for input into opt[ch]-gen.awk. # # Usage: awk -f opt-gather.awk file1.opt [...] > outputfile function sort(ARRAY, ELEMENTS) { for (i = 2; i <= ELEMENTS; ++i) { for (j = i; ARRAY[j-1] > ARRAY[j]; --j) { temp = ARRAY[j] ARRAY[j] = ARRAY[j-1] ARRAY[j-1] = temp } } return } BEGIN { numrec = 0 } # Ignore comments and blank lines /^[ \t]*(;|$)/ { flag = 0; next } /^[^ \t]/ { if (flag == 0) { record[++numrec] = $0 flag = 1 } else { record[numrec] = record[numrec] SUBSEP $0 } } # Sort it and output it END { sort(record,numrec) for (i = 1; i <= numrec; i++) { print record[i] } }