use strict;
open INPUT, "<version.txt" or die "Blerch: $!\n";
while (<INPUT>) {                     # read a line of input
  my @contents=split /\s+/;           # Split on whitespace
  print join ":",
          (pack("A10",$contents[0]), # Name, padded to 10 width
          pack("A5",$contents[1]),  # version, padded to 5 width
          "\n");
}
__END__
Nameone   :100  :
Nametwo   :110  :
Namethree :120  :