- ext
- clib
- socket.pl -- Network socket (TCP and UDP) library
- uid.pl -- User and group management on Unix systems
- unix.pl -- Unix specific operations
- syslog.pl
- filesex.pl -- Extended operations on files
- uri.pl -- Process URIs
- process.pl -- Create processes and redirect I/O
- sha.pl -- SHA secure hashes
- crypt.pl
- memfile.pl
- uuid.pl -- Universally Unique Identifier (UUID) Library
- time.pl -- Time and alarm library
- hash_stream.pl -- Maintain a hash on a stream
- md5.pl -- MD5 hashes
- cgi.pl
- desktop.pl
- rlimit.pl
- udp_broadcast.pl
- prolog_stream.pl
- streampool.pl -- Input multiplexing
- clib
- copy_directory(+From, +To) is det
- Copy the contents of the directory From to To (recursively). If To is the name of an existing directory, the contents of From are copied into To. I.e., no subdirectory using the basename of From is created.