Program Repair Shop

Do What You Mean

     44   } else {
     45     print "coping $source_node to $target_node\n" unless -e $target_node;
            ...
     48     `$ENV{ComSpec} /c copy /b $copy_source_node $copy_target_node`;
     49   }

Here the -e test is weird
If the file exists, we suppress the message, but do the copy anyway?

     } elsif (! -e $dst_file) {
       print "Copying $src_file to $dst_file\n";
       ...
       `$ENV{ComSpec} /c copy /b $copy_source_node $copy_target_node`;
     }