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=head1 NAME
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Utilities::AddDir - Utility functions for creating or copying directories.
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=head1 SYNOPSIS
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&Utilities::AddDir::adddir($dir);
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&Utilities::AddDir::copydir($src,$dest);
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&Utilities::AddDir::copydirwithskip($src,$dest,@files_to_skip);
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=head1 METHODS
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=over
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=cut
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package Utilities::AddDir;
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require 5.001;
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require Exporter;
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use Cwd;
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@ISA = qw(Exporter);
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@EXPORT = qw(adddir copydir copydirwithskip copydirexp getfileslist fixpath);
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=item C<adddir($dir)>
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Create a new directory.
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=cut
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sub fixpath {
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my $dir=shift;
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my @parts=();
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my $p="/";
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if($dir!~/^\//){$p="";}
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foreach my $part (split /\//, $dir)
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{
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if($part eq ".."){pop @parts;}
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elsif(($part ne "") && ($part ne ".")){push @parts, $part;}
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}
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return "$p".join("/",@parts);
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}
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sub adddir {
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my $indir=shift;
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my $startdir=cwd;
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my @dir=split /\//, $indir;
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if ( $indir=~/^\// ) {
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chdir "/";
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shift @dir;
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}
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umask 02;
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foreach $dirname ( @dir ) {
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next if ( $dirname eq "" );
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if ( ! -e $dirname ) {
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mkdir ( $dirname , 0755) ||
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die "cannot make directory ".$dirname." $!\n";
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print $i." ".$dirname."\n" if $debug;
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}
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chdir $dirname;
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}
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chdir $startdir;
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}
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=item C<copydir($src, $dest)>
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Copy a directory $src and contents to $dest.
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=cut
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sub copydir
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{
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my $src=shift;
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my $dest=shift;
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use DirHandle;
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use File::Copy;
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adddir($dest);
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my $dh=DirHandle->new($src);
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if (defined $dh)
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{
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my @allfiles=$dh->read();
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my $file;
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foreach $file ( @allfiles )
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{
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next if $file=~/^\.\.?/;
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if ( -d $src."/".$file )
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{
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copydir($src."/".$file,$dest."/".$file);
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}
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else
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{
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copy($src."/".$file,$dest."/".$file);
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if ( -x $src."/".$file || -X $src."/".$file ) {chmod(0755,$dest."/".$file);}
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}
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}
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undef $dh;
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}
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else
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{
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die "Attempt to open a non-existent directory ($src). Exiting\n";
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}
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}
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=item C<copydirwithskip($src, $dest, @files_to_skip)>
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Recursively copy a directory $src to $dest. All files
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in @files_to_skip will be skipped.
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=cut
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sub copydirwithskip
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{
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my $src=shift;
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my $dest=shift;
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my $filetoskip=shift || [];
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use DirHandle;
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use File::Copy;
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adddir($dest);
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my $dh=DirHandle->new($src);
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if (defined $dh)
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{
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my @allfiles=$dh->read();
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my $file;
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foreach $file ( @allfiles )
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{
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next if $file=~/^\.\.?/;
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# Skip backup files and x~ files:
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next if $file =~ /.*\.bak$/;
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next if $file =~ /.*~$/;
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my $skip=0;
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foreach my $fskip (@$filetoskip)
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{
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my $fullfile = "${src}/${file}";
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if ($fullfile eq $fskip)
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{
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$skip = 1;
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last;
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}
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}
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if ($skip)
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{
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next;
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}
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if ( -d $src."/".$file )
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{
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copydirwithskip($src."/".$file,$dest."/".$file,$filetoskip);
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}
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else
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{
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copy($src."/".$file,$dest."/".$file);
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if ( -x $src."/".$file || -X $src."/".$file ) {chmod(0755,$dest."/".$file);}
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}
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}
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undef $dh;
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}
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else
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{
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die "Attempt to open a non-existent directory ($src). Exiting\n";
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}
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}
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sub copydirexp
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{
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my $src=shift;
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my $dest=shift;
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my $exp=shift || ".+";
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my $op=shift || 0;
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if ($exp=~/^!(.+)/){$exp=$1; $op=1;}
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use DirHandle;
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use File::Copy;
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adddir($dest);
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my $dh=DirHandle->new($src);
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if (defined $dh)
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{
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my @allfiles=$dh->read();
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my $file;
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foreach $file ( @allfiles )
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{
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next if $file=~/^\.\.?/;
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if ( -d $src."/".$file )
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{
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copydirexp($src."/".$file,$dest."/".$file,$exp,$op);
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}
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else
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{
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my $skip=1;
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if ($file=~/$exp/)
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{
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if ($op == 0){$skip=0;}
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}
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elsif ($op == 1){$skip=0;}
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if (!$skip)
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{
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copy($src."/".$file,$dest."/".$file);
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if ( -x $src."/".$file || -X $src."/".$file ) {chmod(0755,$dest."/".$file);}
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}
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}
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}
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undef $dh;
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}
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else
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{
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die "Attempt to open a non-existent directory ($src). Exiting\n";
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}
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}
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sub getfileslist ()
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{
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my $dir=shift;
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my $data=shift || [];
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my $base=shift || $dir;
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my $ref;
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opendir($ref,$dir) || die "ERROR: Can not open directory for reading: $dir";
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foreach my $f (readdir($ref))
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{
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next if $f=~/^\.\.?/;
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$f = "${dir}/${f}";
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if (-d $f){&getfileslist($f,$data,$base);}
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else
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{
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$f=~s/^$base\///;
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push @$data,$f;
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}
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}
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closedir($ref);
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return $data;
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}
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1;
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__END__
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=back
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=head1 AUTHOR
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Originally written by Christopher Williams.
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=head1 MAINTAINER
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Shaun ASHBY
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=cut
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|
