#!/usr/bin/perl
use strict;
use warnings;
use File::Copy;
use File::Spec;
my $dest="....";
print "the source direcotry name: \n";
my $source = '';
chomp($source = <STDIN>);
if (opendir(my $DIR, $source)){
    my @files = grep { /\.log$/ } readdir ($DIR);
    foreach my $f (@files){
        my $src = File::Spec->catfile($source , $f);
        my $dst = File::Spec->catfile($dest , $f);
        copy($src , $dst) or die "Failed to copy $src to $dest ($!)\n";
    }
    closedir ($DIR);
} else {
    warn "Failed to open '$source ' for reading ($!)\n";
}