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Interactive-editing replacement modifiers now keep track of relative positions
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Pragmatic Software
parent
18e57bb25e
commit
e1474f3a1b
@ -136,118 +136,147 @@ while($subcode =~ s/^\s*(and)?\s*undo//) {
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my $prevchange = $last_code[0];
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my $got_changes = 0;
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while($subcode =~ m/^\s*(and)?\s*replace\s*([^']+)?\s*'.*'\s*with\s*'.*'/i) {
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$got_sub = 1;
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my $modifier = 'first';
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{
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my @replacements;
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while($subcode =~ m/^\s*(and)?\s*replace\s*([^']+)?\s*'.*'\s*with\s*'.*'/i) {
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$got_sub = 1;
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my $modifier = 'first';
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$subcode =~ s/^\s*(and)?\s*//;
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$subcode =~ s/replace\s*([^']+)?\s*//i;
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$modifier = $1 if defined $1;
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$modifier =~ s/\s+$//;
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my ($from, $to);
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my ($e, $r) = extract_delimited($subcode, "'");
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if(defined $e) {
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$from = $e;
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$from =~ s/^'//;
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$from =~ s/'$//;
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$from = quotemeta $from;
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$subcode = $r;
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$subcode =~ s/\s*with\s*//i;
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} else {
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print "$nick: Unbalanced single quotes. Usage: !cc replace 'from' with 'to' [and replace ... with ... [and ...]]\n";
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exit 0;
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}
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($e, $r) = extract_delimited($subcode, "'");
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if(defined $e) {
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$to = $e;
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$to =~ s/^'//;
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$to =~ s/'$//;
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$subcode = $r;
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} else {
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print "$nick: Unbalanced single quotes. Usage: !cc replace 'from' with 'to' [and replace ... with ... [and ...]]\n";
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exit 0;
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}
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given($modifier) {
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when($_ eq 'all' ) {}
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when($_ eq 'last' ) {}
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when($_ eq 'first' ) { $modifier = 1; }
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when($_ eq 'second' ) { $modifier = 2; }
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when($_ eq 'third' ) { $modifier = 3; }
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when($_ eq 'fourth' ) { $modifier = 4; }
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when($_ eq 'fifth' ) { $modifier = 5; }
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when($_ eq 'sixth' ) { $modifier = 6; }
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when($_ eq 'seventh') { $modifier = 7; }
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when($_ eq 'eighth' ) { $modifier = 8; }
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when($_ eq 'nineth' ) { $modifier = 9; }
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when($_ eq 'tenth' ) { $modifier = 10; }
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default { print "$nick: Bad replacement modifier '$modifier'; valid modifiers are 'all', 'first', 'second', ..., 'tenth', 'last'\n"; exit 0; }
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}
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my $replacement = {};
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$replacement->{'from'} = $from;
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$replacement->{'to'} = $to;
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$replacement->{'modifier'} = $modifier;
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push @replacements, $replacement;
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}
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$subcode =~ s/^\s*(and)?\s*//;
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$subcode =~ s/replace\s*([^']+)?\s*//i;
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$modifier = $1 if defined $1;
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$modifier =~ s/\s+$//;
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@replacements = sort { $a->{'from'} cmp $b->{'from'} or $a->{'modifier'} <=> $b->{'modifier'} } @replacements;
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my ($from, $to);
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my ($e, $r) = extract_delimited($subcode, "'");
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my ($previous_from, $previous_modifier);
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foreach my $replacement (@replacements) {
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my $from = $replacement->{'from'};
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my $to = $replacement->{'to'};
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my $modifier = $replacement->{'modifier'};
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if(defined $e) {
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$from = $e;
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$from =~ s/^'//;
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$from =~ s/'$//;
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$from = quotemeta $from;
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$subcode = $r;
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$subcode =~ s/\s*with\s*//i;
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} else {
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print "$nick: Unbalanced single quotes. Usage: !cc replace 'from' with 'to' [and replace ... with ... [and ...]]\n";
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exit 0;
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}
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($e, $r) = extract_delimited($subcode, "'");
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if(defined $e) {
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$to = $e;
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$to =~ s/^'//;
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$to =~ s/'$//;
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$subcode = $r;
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} else {
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print "$nick: Unbalanced single quotes. Usage: !cc replace 'from' with 'to' [and replace ... with ... [and ...]]\n";
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exit 0;
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}
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if(defined $prevchange) {
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$code = $prevchange;
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} else {
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print "$nick: No recent code to change.\n";
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exit 0;
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}
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given($modifier) {
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when($_ eq 'all' ) {}
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when($_ eq 'last' ) {}
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when($_ eq 'first' ) { $modifier = 1; }
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when($_ eq 'second' ) { $modifier = 2; }
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when($_ eq 'third' ) { $modifier = 3; }
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when($_ eq 'fourth' ) { $modifier = 4; }
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when($_ eq 'fifth' ) { $modifier = 5; }
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when($_ eq 'sixth' ) { $modifier = 6; }
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when($_ eq 'seventh') { $modifier = 7; }
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when($_ eq 'eighth' ) { $modifier = 8; }
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when($_ eq 'nineth' ) { $modifier = 9; }
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when($_ eq 'tenth' ) { $modifier = 10; }
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default { print "$nick: Bad replacement modifier '$modifier'; valid modifiers are 'all', 'first', 'second', ..., 'tenth', 'last'\n"; exit 0; }
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}
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my $ret = eval {
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my $got_change;
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my ($first_char, $last_char, $first_bound, $last_bound);
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$first_char = $1 if $from =~ m/^(.)/;
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$last_char = $1 if $from =~ m/(.)$/;
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if($first_char =~ /\W/) {
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$first_bound = '.';
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} else {
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$first_bound = '\b';
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}
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if($last_char =~ /\W/) {
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$last_bound = '\B';
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} else {
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$last_bound = '\b';
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}
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if($modifier eq 'all') {
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while($code =~ s/($first_bound)$from($last_bound)/$1$to$2/) {
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$got_change = 1;
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}
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} elsif($modifier eq 'last') {
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if($code =~ s/(.*)($first_bound)$from($last_bound)/$1$2$to$3/) {
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$got_change = 1;
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}
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} else {
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my $count = 0;
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my $unescaped = $from;
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$unescaped =~ s/\\//g;
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if($code =~ s/($first_bound)$from($last_bound)/if(++$count == $modifier) { "$1$to$2"; } else { "$1$unescaped$2"; }/gex) {
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$got_change = 1;
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if(defined $previous_from) {
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if($previous_from eq $from) {
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$modifier -= $previous_modifier;
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}
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}
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return $got_change;
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};
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if(defined $prevchange) {
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$code = $prevchange;
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} else {
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print "$nick: No recent code to change.\n";
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exit 0;
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}
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if($@) {
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print "$nick: $@\n";
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my $ret = eval {
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my $got_change;
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my ($first_char, $last_char, $first_bound, $last_bound);
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$first_char = $1 if $from =~ m/^(.)/;
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$last_char = $1 if $from =~ m/(.)$/;
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if($first_char =~ /\W/) {
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$first_bound = '.';
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} else {
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$first_bound = '\b';
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}
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if($last_char =~ /\W/) {
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$last_bound = '\B';
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} else {
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$last_bound = '\b';
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}
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if($modifier eq 'all') {
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while($code =~ s/($first_bound)$from($last_bound)/$1$to$2/) {
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$got_change = 1;
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}
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} elsif($modifier eq 'last') {
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if($code =~ s/(.*)($first_bound)$from($last_bound)/$1$2$to$3/) {
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$got_change = 1;
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}
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} else {
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my $count = 0;
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my $unescaped = $from;
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$unescaped =~ s/\\//g;
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if($code =~ s/($first_bound)$from($last_bound)/if(++$count == $modifier) { "$1$to$2"; } else { "$1$unescaped$2"; }/gex) {
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$got_change = 1;
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}
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}
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return $got_change;
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};
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if($@) {
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print "$nick: $@\n";
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exit 0;
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}
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if($ret) {
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$got_changes = 1;
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}
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$prevchange = $code;
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$previous_from = $from;
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$previous_modifier = $modifier;
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}
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if($got_sub and not $got_changes) {
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print "$nick: No replacements made.\n";
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exit 0;
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}
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if($ret) {
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$got_changes = 1;
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}
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$prevchange = $code;
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}
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if($got_sub and not $got_changes) {
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print "$nick: No replacements made.\n";
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exit 0;
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}
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while($subcode =~ m/^\s*(and)?\s*s\/.*\//) {
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@ -395,6 +424,7 @@ if($got_sub and not $got_changes) {
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exit 0;
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}
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open FILE, "> ideone_last_code.txt";
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unless ($got_undo and not $got_sub) {
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