Let me add that some applications accept a command line flag to force interactive mode even when they are not connected to a tty.

So Lexicon, before going the IO::Pty or Expect way, check in the application manual for that flag!

BTW, ptys are not reliable in some operating systems as for instance AIX or HP-UX. You can overflow them and data will be silently dropped.

In reply to Re^2: open3 buffering in linux vs. os x by salva
in thread open3 buffering in linux vs. os x by Lexicon

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