Directory Search Perl

@scriptfiles=glob('*.txt');
 
foreach $file (glob('*.txt'))
{ 
    open(my $fh, $file) or die("Unable to open '$file': $!");  
    while (my $line = <$fh>)
    {
        if ($line =~ m/(Apple|Orange|Guava)/i) 
        {
            $Sheet->Cells($row,$col-1)->{'Value'} = $file;
 

The above snippet will open each text file in the current folder and do a match for the words and if its matched the file name will be printed..

How to do the same for the files in the current directory

What is the difference between current folder and current directory?