use strict;
use warnings;
#Program to read the command line report file; and extract the virus detection name for a file.
my $cmdrep = "d:/eitv10cm_cln.rep";


my $fname = "D:\\EITV10CM\\base\\repair\\Companion_Repair\\File2SelfExt\\F2SEXT.COM";
my ($found,$virusname,$flag,$i);
my (@dirtemp) = split /:/,$fname; #declared the variables with my
shift @dirtemp; my $filepath;
foreach my $itemp ( @dirtemp  )
{
   $filepath .= $itemp;
}
    
    
    while (<DATA>) 
    {    
        chomp;
        
        $_ =~ s/\w\://; #you are missing this line
                
        next if $_ !~ /^\Q$filepath\E/i; #else remove the anchor
        
        chomp($_);
        /\s\.{3}\s(.*)/;
        $found = $1;
        print "$found\n";
        if ($found eq "is OK.")
        {
            $virusname = "OK";
            print "The virus detection name is $virusname\n";
            last;
            
        }
        if ($found =~ /^Found: (.*?) NOT a virus[.]/) 
        {
            $virusname = $1;
            print "The virus detection name is $virusname\n";
            last;
        }
        elsif ($found =~ /^Found the (.*?) (virus|trojan) !!!/) 
        {
                $virusname = $1;
                print "The virus detection names is $virusname\n";
                last;
        }
        elsif ($found =~ /^Found potentially unwanted program (.*?)[.]/)
        {
            $virusname = $1;
            print "PuPs $virusname \n";
            last;
        }
        elsif ($found =~ /Found (virus or variant|application) (.*?)( !!!|[.])/) 
        {
            $virusname = $2;
            print "Virus or variant $virusname \n \n";
            $flag =1;
            last;
        } 
        
    }
    
__DATA__
C:\EITV10CM\base\repair\Companion_Repair\File2File\F2F.COM ... is OK.
C:\EITV10CM\base\repair\Companion_Repair\File2SelfExt\F2SEXT.CMP ... is OK.
C:\EITV10CM\base\repair\Companion_Repair\File2SelfExt\F2SEXT.COM ... Found the CMPAN/File2SelfExt virus !!!
        The virus has been removed from the file.
Checking for another virus in the file ...              
C:\EITV10CM\base\repair\Companion_Repair\File2SelfExt\F2SEXT.COM ... is OK




output:
-------
Found the CMPAN/File2SelfExt virus !!!
The virus detection names is CMPAN/File2SelfExt