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