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05.03.2008 at 08:36PM PDT, ID: 23374509
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9.8

Perl : How to optimize the script work faster

Zones: Perl Programming Language, Miscellaneous Programming, CGI Scripting
Tags: Perl
how to make this script generate result faster?

it will take sometime to generate. previous server are more faster. is that any setting that we need to change for perl?

the live URL is here : http://tompatterson.com/cgi-bin/jawhatschanged.pl ( take sometime to generate result)
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#!/usr/bin/perl
 
my($mytime) = time();
my($t1) = time();
my($t2);
my($version) = "1.1o";
my($debug) = 0;
my($pageTitle) = 'Not Specified';
 
&parseForm;
 
$subDir = 1;
$listDirs = 0;
 
if ($FORM{'debug'} ne "") { $debug = 1; }
$FORM{'log'} = "Changed.log";
if ($FORM{'log'} ne "") { &writeLog; }
$FORM{'base'} = "/home/tompatterson2/public_html";
if ($FORM{'base'} eq "") { myError( "base not passed." ); }
$FORM{'rbase'} = "http://208.109.117.138";
if ($FORM{'rbase'} eq "") { myError("rbase not passed." );  }
if ($FORM{'sortmode'} eq "") { $FORM{'sortmode'} = '1' };
if ($FORM{'ndays'} eq "") { $FORM{'ndays'} = '7' };
$FORM{'dirs'} = "/AirstreamList;/Digests;/Family;/Sailing;/Silverstreak;/Streamline;/Trailers;/VAC/MHonArc;";
if ($FORM{'dirs'} ne "") {
	@directories = split( /;/,$FORM{'dirs'});
	$listDirs = 1;
	$FORM{'dosub'} = "yes";
}
if ($FORM{'rbase'} ne "") { $pageTitle = $FORM{'rbase'} };
if ($FORM{'title'} ne "") { $pageTitle = $FORM{'title'} };
 
$excdirs = 0;
if ($FORM{'excdirs'} ne "") {
	@excpaths = split(/;/,$FORM{'excdirs'});
	$excdirs = 1;
}
 
 
if (lc($FORM{'dosub'}) eq "no") { $subDir = 0; }
	
$mytime = $mytime - ($FORM{'ndays'} * 86400 );
 
&htmlTop;
 
if ($listDirs > 0) { 
	foreach $dir (@directories) {
		&checkFiles($FORM{'base'}."$dir");
	}
} else {
	&checkFiles($FORM{'base'});
}
 
 
if ($FORM{'sortmode'} eq '1') {
	foreach $key ( sort ( keys( %DATA ) ) ) { 
		printDetails( $DATA{$key} );
	}
} elsif ($FORM{'sortmode'} eq '2') {
	foreach $key ( sort { $b cmp $a} ( keys( %DATA ) ) ) { 
		printDetails( $DATA{$key} );
	}
} else { 
	foreach $key ( ( keys( %DATA ) ) ) { 
		printDetails( $DATA{$key} );
	}
}
&htmlBottom;
exit;
 
sub printDetails {
	my($line) = shift;
 
	($fullFilename,$title,$date,$update) = split( /<>/ , $line);
	
    print "<TR><TD><A HREF=\"$fullFilename\">$title</A>";
	if ($update ne "") { 
		print "<BR><EM>&nbsp;&nbsp;&nbsp;Changes: </EM>$update\n"; 
	}
    print "</TD><TD ALIGN=\"Right\"><CODE>";
    print "$date</CODE></TD></TR>\n";
}
	
sub checkFiles {
    my($base) = shift;
    my($fullFilename);
    my(@lines);
    my($title);
    my($modtime);
	my($myexit);
	
    opendir(ROOT,$base);
    @lines = readdir(ROOT);
    closedir(ROOT);
 
    foreach (@lines) {
        next if /^\.|\.\.$/;
 
        $fullFilename = "$base/$_";
 
        if (-d $fullFilename) {
            if($subDir > 0) { 
	 			$ok2dosub = 1;
				
				if ($excdirs > 0) {
	                $tmp = $fullFilename;
	                $tmp =~ s/$FORM{'base'}//;
 
					foreach $tpath (@excpaths) {
						if ($tmp eq $tpath) { $ok2dosub = 0; }
					}
				}
	 		
				if ($ok2dosub > 0) { checkFiles( $fullFilename) }; 
            }
            next;
        }
 
        if (!($fullFilename =~ m/\.htm/i || $fullFilename =~ m/\.sht/i)) { next; }
 
        $modTime = (stat($fullFilename))[9];
 
		if ($debug > 0) {
			print "<TR><TD>$modTime</TD><TD>";
			print ($modTime-$mytime);
			print "</TD><TD>";
			if ($modTime < $mytime) {
				print "fail";
			} else {
				print "pass";
			}
			print "</TD><TD>$fullFilename</TD></TR>\n";
			next;
		}
 
 
		$myexit = "0";
        if ($modTime < $mytime) { next; }
 
        $title = "Untitled";
		$update = "";
		
		$data = '';
        open(FILE,$fullFilename);
        while( $line =  <FILE> ) {
			$line =~ s!\n!!ge;
			$line =~ s!\r!!ge;
			
			$data = $data . $line . ' ';
		}
		close(FILE);
		        
        if ($data =~ m!<title>(.+)</title>!i) { $title = $1; }
	 	if ($data =~ m!<\!-- update: (.+) -->!i) { $update = $1; }
		if ($data =~ m/<!-- nosearch -->/i) { $myexit = "1"; }
 
		if ($myexit eq "1") { next; }
 
        $fullFilename =~ s/$FORM{'base'}//g;
        $fullFilename = "$FORM{'rbase'}$fullFilename";
		$fullFilename =~ s/index\.html//ge;
		
        $date = localtime($modTime);
        $ndate = niceDate($date);
        $sdate = sortDate($date);
        
		$DATA{"$sdate$fullFilename"} = "$fullFilename<>$title<>$ndate<>$update";
    }
}
 
sub niceDate {
    my($date) = shift;
    my($myDate);
 
    $myDate = substr($date,0,3). " ". substr($date, 8,2)."/".substr($date,4,3)."/".substr($date,20,4);
    $myDate = "$myDate ".substr($date,11,8);
    
    $myDate =~ s/ /&nbsp;/gi;
    return $myDate;
}
 
sub parseForm {
    my($key,$value);
    my($buffer);
    my(@lines);
    my($line);
 
    read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
    if ($buffer eq "") { $buffer = $ENV{'QUERY_STRING'}; }
 
    @lines = split( /&/, $buffer);
    foreach $line (@lines) {
		chomp($line);
		chomp($line);
		chomp($line);
		chomp($line);
        ($key,$value) = split( /=/,$line);
 
        $key = lc($key);
        $value =~ tr/+/ /;
        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
        $value =~ s/\n//g;
        $value =~ s/\r/ /g;
        $value =~ s/</&lt;/g;
        $value =~ s/>/&gt;/g;
        $FORM{$key} = $value;
    }
	if ($FORM{'uname'} ne "") {
		$FORM{'base'} = "/usr/people/patrol/premium/$FORM{'uname'}/User_html";
		$FORM{'rbase'} = "/~$FORM{'uname'}";
	}
}
 
sub myError {
   my($errmsg) = shift;
 
   print "Content-type: text/html\n\n";
   print "<HTML><HEAD><TITLE>jawhatschanged.pl - Error</TITLE></HEAD><BODY>\n";
   print "<H1>jawhatschanged.pl</H1>\n";
   print "The following error occured<P>\n";
   print "<LI>$errmsg";
   print "</BODY></HTML>\n";
   exit;
}
 
sub writeLog {
    my($site);
 
    $site = $ENV{'REMOTE_HOST'};
    if ($site eq "") { $site = $ENV{'REMOTE_ADDR'}; }
 
    if (!(-e "$FORM{'log'}" )) {
        open( OUTFILE,">$FORM{'log'}") or return;
        print OUTFILE "\"time\",\"remote site\"\n";
        close(OUTFILE);
    }
 
    open( OUTFILE,">>$FORM{'log'}") or return;
    print OUTFILE "\"" . localtime() . "\",\"$site\"\n";
    close( OUTFILE );
}
 
sub htmlTop {
	print "Content-type: text/html\n\n";
	print "<HTML><HEAD><TITLE>Whats Changed in $pageTitle</TITLE></HEAD>\n";
	&doBody;
	print "<CENTER><H1><font color=blue>Whats Changed This Week In<BR>$pageTitle</font></H1></CENTER><HR>\n";
        print '<script src="/staticlogo.js"></script>';
	print "Files modified since: ";
	$date = localtime( $mytime );
	print niceDate($date) . "<P>\n";
	print "<TABLE WIDTH=\"100%\">\n";
	print "<TR><TH ALIGN=\"Left\">Document</TH><TH ALIGN=\"right\">Last Modified</TH></TR>\n";
 
	if ($debug > 0) {
		print "<UL><LI>mytime = $mytime</UL><BR>\n";
		print "<TABLE BORDER=1>\n";
	}
}
 
sub htmlBottom {
	if ($debug > 0) {
		print "</TABLE>\n";
	}
	$t2 = time();
	print "</TABLE>\n";
	print "<HR>\n<TABLE WIDTH=\"100%\"><TR>\n<TD WIDTH=\"33%\" ALIGN=\"Left\">";
	print "<FONT SIZE=2>Copyright &copy; 1997 <A HREF=\"http://www.ufbs.co.uk/jason/\">Jason Anthony</A></FONT>";
	print "</TD>\n<TD ALIGN=\"center\"><FONT SIZE=2>jawhatschanged.pl V$version</FONT></TD>\n";
	print "<TD WIDTH=\"33%\" ALIGN=\"Right\"><FONT SIZE=2>Time Taken: ";
	print $t2-$t1;
	print " second";
	if ($t2-$t1 == 1) { print "."; } else { print "s."; }
	print "</FONT></TD>\n</TR></TABLE>\n";
	print "</BODY></HTML>\n";
}
 
sub doBody {
	my($line) = "<BODY";
 
 
        $FORM{'background'} ="/images/pap24.gif";
	if ($FORM{'background'} ne "") { $line = "$line BACKGROUND=\"$FORM{'background'}\""; }
	if ($FORM{'bgcolor'   } ne "") { $line = "$line BGCOLOR=\"$FORM{'bgcolor'}\""; }
	if ($FORM{'text'      } ne "") { $line = "$line TEXT=\"$FORM{'text'}\""; }
	if ($FORM{'link'      } ne "") { $line = "$line LINK=\"$FORM{'link'}\""; }
	if ($FORM{'alink'     } ne "") { $line = "$line ALINK=\"$FORM{'alink'}\""; }
	if ($FORM{'vlink'     } ne "") { $line = "$line VLINK=\"$FORM{'vlink'}\""; }
	$line = "$line>\n";
	print $line;
}
 
sub sortDate { 
	my($date) = shift;
	my($myDate);
	
	$myDate = substr($date,20,4);
	
	if (lc(substr($date,4,3)) eq "jan") { $myDate = $myDate . "01"; }
	if (lc(substr($date,4,3)) eq "feb") { $myDate = $myDate . "02"; }
	if (lc(substr($date,4,3)) eq "mar") { $myDate = $myDate . "03"; }
	if (lc(substr($date,4,3)) eq "apr") { $myDate = $myDate . "04"; }
	if (lc(substr($date,4,3)) eq "may") { $myDate = $myDate . "05"; }
	if (lc(substr($date,4,3)) eq "jun") { $myDate = $myDate . "06"; }
	if (lc(substr($date,4,3)) eq "jul") { $myDate = $myDate . "07"; }
	if (lc(substr($date,4,3)) eq "aug") { $myDate = $myDate . "08"; }
	if (lc(substr($date,4,3)) eq "sep") { $myDate = $myDate . "09"; }
	if (lc(substr($date,4,3)) eq "oct") { $myDate = $myDate . "10"; }
	if (lc(substr($date,4,3)) eq "nov") { $myDate = $myDate . "11"; }
	if (lc(substr($date,4,3)) eq "dec") { $myDate = $myDate . "12"; }
	
	$myDate = $myDate . substr($date,8,2) . substr($date,11,8);
	$myDate =~ tr/ /0/;
	return $myDate;
}
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Question Stats
Zone: Programming
Question Asked By: alicca
Solution Provided By: FishMonger
Participating Experts: 2
Solution Grade: A
Views: 0
Translate:
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05.03.2008 at 09:18PM PDT, ID: 21494556

Rank: Genius

ozo:

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05.03.2008 at 09:33PM PDT, ID: 21494571

Rank: Wizard

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05.03.2008 at 09:37PM PDT, ID: 21494575
alicca:

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05.03.2008 at 09:39PM PDT, ID: 21494578
alicca:

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05.03.2008 at 11:54PM PDT, ID: 21494777

Rank: Genius

ozo:

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05.04.2008 at 02:56AM PDT, ID: 21495194
alicca:

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05.04.2008 at 10:19AM PDT, ID: 21496274

Rank: Wizard

FishMonger:

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