Tk::IO man page on Kali

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IO(3pm)		      User Contributed Perl Documentation	       IO(3pm)

NAME
       Tk::IO - high level interface to Tk's 'fileevent' mechanism

SYNOPSIS
	 my $fh = Tk::IO->new(-linecommand => callback, -childcommand => callback);
	 $fh->exec("command")
	 $fh->wait
	 $fh->kill

WARNING
       INTERFACES TO THIS MODULE MAY CHANGE AS PERL'S IO EVOLVES AND WITH PORT
       OF TK4.1

DESCRIPTION
       Tk::IO is now layered on perl's IO::Handle class. Interfaces have
       changed, and are still evolving.

       In theory C methods which enable non-blocking IO as in earlier Tk-b*
       release(s) are still there. I have not changed them to use perl's
       additional Configure information, or tested them much.

       Assumption is that exec is used to fork a child process and a callback
       is called each time a complete line arrives up the implied pipe.

       "line" should probably be defined in terms of perl's input record
       separator but is not yet.

       The -childcommand callback is called when end-of-file occurs.

       $fh->wait can be used to wait for child process while processing other
       Tk events.

       $fh->kill can be used to send signal to child process.

BUGS
       Still not finished.  Idea is to use "exec" to emulate "system" in a
       non-blocking manner.

perl v5.26.0			  2017-07-22			       IO(3pm)
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