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/usr/share/doc/perl-Expect/examples/expect_calc.pl
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use strict; use warnings; use Expect; my $e = Expect->new; $e->spawn($^X, "examples/calc.pl") or die; $e->log_stdout(0); $e->raw_pty(1); $e->send("19+23\n"); $e->expect(1, "19+23"); print 'Match: <', $e->match, ">\n"; print 'Before: <', $e->before, ">\n"; print 'After: <', $e->after, ">\n"; $e->clear_accum; $e->expect(1, '-re' => qr/'\d+'/); print 'Match: <', $e->match, ">\n"; print 'Before: <', $e->before, ">\n"; print 'After: <', $e->after, ">\n"; $e->close;
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