#!perl
$ENV{CLASSPATH}="/usr/work/ticket/ETicketClient.jar:.";
print "Without shell metachars we get:\n",
      grep(/CLASSPATH/, qx[/usr/bin/env]), "\n";
print "With shell metachars we get:\n", 
      grep(/CLASSPATH/, qx[/bin/false || /usr/bin/env]), "\n";