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#!/bin/env perl
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#
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# Replaces for fast simulation
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#
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# Usage: $0 <file> <replaces file>
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# Replaces in <file> from <replaces file>
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use strict;
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die "Usage: $0 <file> <replaces>\n" if ( @ARGV != 2 );
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my $cfgFile = $ARGV[0];
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my $replaceFile = $ARGV[1];
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my %replaces;
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# Get list of replaces
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open(IN,$replaceFile) or die "Couldn't open $replaceFile: $!";
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while( <IN> ) {
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if ( /replace\s+(\S+)(\s*=.*)[#|\/\/]?/ ) {
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my $key = $1;
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my $value = $2;
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# Check for multi-line value
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while ( &countBraces($value) > 0 ) {
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my $line = <IN>;
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$value .= $line;
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}
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$replaces{$key} = $value;
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}
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}
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close(IN);
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# Open temporary file
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my $temp = $cfgFile.".tmp";
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open(TEMP,">$temp") or die "Couldn't open $temp: $!";
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# Scan cfgfile and replace
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open(CFG,$cfgFile) or die "Couldn't open $cfgFile: $!";
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while ( <CFG> ) {
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chomp();
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my $line = $_;
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my $matched = 0;
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foreach my $replace ( keys %replaces ) {
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next if ( !$replaces{$replace} );
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if ( $line =~ /$replace/ ) {
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print TEMP "replace ".$replace.$replaces{$replace}."\n";
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$replaces{$replace} = 0;
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++$matched;
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last;
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}
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}
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if ( !$matched ) {
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print TEMP $line."\n";
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}
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}
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close(CFG);
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# Add missing items at the end of file (things that are only replaced in FastSim)
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# Print header
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print TEMP <<HEADER
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############################
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# Fast simulation replaces #
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############################
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HEADER
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;
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foreach my $replace ( keys %replaces ) {
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next if ( !$replaces{$replace} );
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print TEMP "replace ".$replace.$replaces{$replace}."\n";
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}
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close(TEMP) or die "Couldn't close $temp: $!";
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rename($temp,$cfgFile);
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#______________________________________________________________________
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# Count number of braces
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# Opening adds one, closing removes one
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sub countBraces {
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my $string = shift;
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my $nBraces = 0;
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my $char = "";
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while ( length($string)>0 ) {
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$char = chop($string);
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++$nBraces if ( $char =~ /\{/ );
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--$nBraces if ( $char =~ /\}/ );
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}
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return $nBraces;
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}
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