DB<127> open $handle{$path},"<",$path;
 => 1

  DB<128> ref $handle{$path}
 => "GLOB"

  DB<129> print while (<$handle{$path}>)
GLOB(0x8f19688)
  DB<130> print while (readline($handle{$path}))
This is File /tmp/path
  DB<131> seek $handle{$path},0,0
 => 1

  DB<132> readline($handle{$path})
 => "This is File /tmp/path"