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open(EXEC, '-|', 'ps', '-deaf | ', 'grep', 'httpd |', 'grep', ... print "$line\n"; } close(EXEC);
my $input = `ps -deaf | grep httpd | grep -v grep | wc -l`; my $input2 = qx/ps -deaf | grep httpd | grep -v grep | wc -l/; # Same +thing