This works on *nix:
use strict ;
use warnings ;
my $timeout_in = 5 ;
eval {
local $SIG{ALRM} = sub { die "timed_out\n" };
alarm($timeout_in);
while(<>) {
alarm($timeout_in);
my $in = $_ ;
chomp( $in ) ;
print $in . "\n" ;
last if( $in eq 'exit' );
}
alarm(0) ;
};
if ($@) {
die( "Hey ... whats with the slow typing ??\n" );
}
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