libio-stringy-perl binary package in Ubuntu Focal amd64

 IO::stringy primarily provides modules for performing both traditional and
 object-oriented I/O on things *other* than normal filehandles; in particular,
 IO::Scalar, IO::ScalarArray, and IO::Lines.
 .
 The libio-stringy-perl package provides the following modules:
 .
  * IO::AtomicFile - write a file which is updated atomically
  * IO::InnerFile - define a file inside another file
  * IO::Lines - IO:: interface for reading/writing an array of lines
  * IO::Scalar - IO:: interface for reading/writing a scalar
  * IO::ScalarArray - IO:: interface for reading/writing an array of scalars
  * IO::Stringy - I/O on in-core objects like strings and arrays
  * IO::Wrap - wrap raw filehandles in IO::Handle interface
  * IO::WrapTie - wrap tieable objects in IO::Handle interface

Source package