117 lines
1.9 KiB
Plaintext
117 lines
1.9 KiB
Plaintext
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#!/usr/bin/perl
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use warnings;
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$hostchars = '[a-z0-9-._+]';
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$pathchars = '[a-z0-9-._+#=?&:;%/!,~]';
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sub scan($$$)
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{
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my ($file, $lineno, $line) = @_;
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chomp $line;
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while($line =~ s!
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([a-z]+://)?
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# http://
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$hostchars+\.[a-z]+
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# www.tim.google.com - the [a-z].com is the main anchor for the whole regex - incase http:// is omitted
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# note no trailing slash
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($pathchars+/\?)*
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# check for the index.php? part
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($pathchars+|\($pathchars+\))*
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# check for pathchars, or a set of nested parens
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!!xoi){ # allow space + comments, compile once, strcasecmp
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my($p,$m,$e) = ($`,$&,$');
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$e = '.' . $e if $m =~ s/\.$//;
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if($opt{fname} && $file){
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print "$col{red}$file$col{none}:";
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}
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if($opt{lineno}){
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print "$col{green}$lineno$col{none}: ";
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}elsif($opt{fname} && $file){
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print ' ';
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}
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if($opt{hl}){
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print "$p$col{brown}$m$col{none}$e\n";
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}else{
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print "$m\n";
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}
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}
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}
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sub usage(){
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$printme =<<"!";
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Usage: $0 -[Chn] [FILES...]
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-h: highlight
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-c: force colour on (for pipes)
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-C: colour off (only makes sense with -h)
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-n: show line number
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!
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print STDERR $printme;
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exit 1;
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}
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%opt = (
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colour => 1,
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lineno => 0,
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fname => 0,
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hl => 0
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);
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%col = (
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brown => "\e[0;31m", # hl
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red => "\e[0;35m", # fname
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green => "\e[0;32m", # lineno
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none => "\e[0;0m"
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);
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for $arg (@ARGV){
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if($arg eq '-h'){
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$opt{hl} = 1;
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}elsif($arg eq '-n'){
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$opt{lineno} = 1;
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}elsif($arg eq '-C'){
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$opt{colour} = 0;
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}elsif($arg eq '-c'){
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usage() if $opt{colour} == 0;
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$opt{colour} = 2; # force on
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}elsif($arg eq '--help'){
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usage();
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}else{
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push @files, $arg;
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}
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}
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usage() if $opt{hl} && !$opt{colour};
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$opt{fname} = 1 if $#files > 0 || $opt{lineno};
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if(!$opt{colour} || ($opt{colour} == 1 && !-t STDOUT)){
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$col{$_} = '' for keys %col;
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}
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$| = 1;
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if(@files){
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for my $f (@files){
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my $n = 1;
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open F, '<', $f or warn "$f: $!\n";
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scan($f, $n++, $_) for <F>;
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close F;
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}
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}else{
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scan(undef, $., $_) while <STDIN>;
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}
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