# file: example.pl use example; # Try to set the values of some global variables $example::ivar = 42; $example::svar = -31000; $example::lvar = 65537; $example::uivar = 123456; $example::usvar = 61000; $example::ulvar = 654321; $example::scvar = -13; $example::ucvar = 251; $example::cvar = "S"; $example::fvar = 3.14159; $example::dvar = 2.1828; $example::strvar = "Hello World"; $example::cstrvar = "Goodbye"; $example::iptrvar= example::new_int(37); $example::ptptr = example::new_Point(37,42); $example::name = "Bill"; # Now print out the values of the variables print "Variables (values printed from Perl)\n"; print "ivar = $example::ivar\n"; print "svar = $example::svar\n"; print "lvar = $example::lvar\n"; print "uivar = $example::uivar\n"; print "usvar = $example::usvar\n"; print "ulvar = $example::ulvar\n"; print "scvar = $example::scvar\n"; print "ucvar = $example::ucvar\n"; print "fvar = $example::fvar\n"; print "dvar = $example::dvar\n"; print "cvar = $example::cvar\n"; print "strvar = $example::strvar\n"; print "cstrvar = $example::cstrvar\n"; print "iptrvar = $example::iptrvar\n"; print "name = $example::name\n"; print "ptptr = $example::ptptr", example::Point_print($example::ptptr), "\n"; print "pt = $example::pt", example::Point_print($example::pt), "\n"; print "\nVariables (values printed from C)\n"; example::print_vars(); print "\nI'm going to try and update a structure variable.\n"; $example::pt = $example::ptptr; print "The new value is "; example::pt_print(); print "You should see the value", example::Point_print($example::ptptr), "\n"; print "\nNow I'm going to try and modify some read only variables\n"; print " Tring to set 'path'\n"; $example::path = "Whoa!"; print " Trying to set 'status'\n"; $example::status = 0;