Here is another option, note that it does not "copy" empty directories:
use warnings;
use strict;
use File::Find;
use File::Copy;

my $from = 'C:/gash';
die "$from is not a directory" if not -d $from;

my $to   = 'C:/copy';
mkdir $to if not -e $to;

find(\&wanted, 'C:/gash');

sub wanted {
    #$File::Find::dir is the current directory name, 
    #$_ is the current filename within that directory 
    #$File::Find::name is the complete pathname to the file. 
    return if -d $File::Find::name;
    
    $File::Find::dir =~ /^$from(.*)/;
    
    my $copy_name;
    
    if (defined $1) {
        
        my $path = $to;

        # Create each directory in the path
        for my $dir (split /[\/\\]/, $1) {
            if ($dir) {    # first element may be empty
                $path .= "/$dir" if $dir;      
                mkdir $path if not -e $path;
            }
        }
        
        $copy_name = "$path/$_";
    }
    else {
       $copy_name = "$to/$_";
    } 
    
    # Code added here
    my @stat = stat($copy_name);
    
    if (@stat && ! -w _) {
         my $perm = $stat[2] & 07777;
         chmod($perm | 0600, $copy_name);
    }
    # End of update

    print "$copy_name ($_)\n";
    copy($File::Find::name, $copy_name) or
        die "Unable to copy $File::Find::name to $copy_name: $!";
}

[download]
This is a "quick and dirty" solution. Some improvements could be made, for example the return value for mkdir should be checked.

Update: OOPS! my solution did not overwrite read-only files. Code changed (# Code added here).

In reply to Re: How to recursively copy files in a folder to another folder? by cdarke
in thread How to recursively copy files in a folder to another folder? by Anonymous Monk

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