1# Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc. 2# Contributed by Kelley Cook, June 2004. 3# Original code from Neil Booth, May 2003. 4# 5# This program is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by the 7# Free Software Foundation; either version 3, or (at your option) any 8# later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19# This Awk script takes a list of *.opt files and combines them into 20# a three-field sorted list suitable for input into opt[ch]-gen.awk. 21# 22# Usage: awk -f opt-gather.awk file1.opt [...] > outputfile 23 24function sort(ARRAY, ELEMENTS) 25{ 26 for (i = 2; i <= ELEMENTS; ++i) { 27 for (j = i; ARRAY[j-1] > ARRAY[j]; --j) { 28 temp = ARRAY[j] 29 ARRAY[j] = ARRAY[j-1] 30 ARRAY[j-1] = temp 31 } 32 } 33 return 34} 35 36BEGIN { numrec = 0 } 37 38# Ignore comments and blank lines 39/^[ \t]*(;|$)/ { flag = 0; next } 40/^[^ \t]/ { if (flag == 0) { 41 record[++numrec] = $0 42 flag = 1 } 43 else { 44 record[numrec] = record[numrec] SUBSEP $0 45 } 46} 47 48# Sort it and output it 49END { 50 sort(record,numrec) 51 52 for (i = 1; i <= numrec; i++) { 53 print record[i] } 54} 55