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+# Copyright (C) 2003,2004 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 2, 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; if not, write to the Free Software
+# Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# 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] }
+}