BEGIN { print "1==1 : " (1 == 1); print "1==0 : " (1 == 0); print "1.0==1 : " (1.0 == 1); print "1.1==1 : " (1.1 == 1); print "1.0!=1 : " (1.0 != 1); print "1.1!=1 : " (1.1 != 1); print "abc" == "abc"; print "abc" != "abc"; print "------------------------"; print "a == \"\" : " (a == ""); print "a >= \"\" : " (a >= ""); print "a <= \"\" : " (a <= ""); print "a > \"\" : " (a > ""); print "a < \"\" : " (a < ""); print "------------------------"; print "a == \" \" : " (a == " "); print "a >= \" \" : " (a >= " "); print "a <= \" \" : " (a <= " "); print "a > \" \" : " (a > " "); print "a < \" \" : " (a < " "); print "------------------------"; print "\"\" == a : " ("" == a); print "\"\" >= a: " ("" >= a); print "\"\" <= a: " ("" <= a); print "\"\" > a: " ("" > a); print "\"\" < a: " ("" < a); print "------------------------"; print "\" \" == a : " (" " == a); print "\" \" >= a: " (" " >= a); print "\" \" <= a: " (" " <= a); print "\" \" > a: " (" " > a); print "\" \" < a: " (" " < a); #a[10] = 2; #print a == 1; print (0.234 + 1.01123); }