- echo("Hello ",NULL,"world"," ! ");
- print("Hello","world",NULL,"!");
+ print("* echo()");
+ echo("Hello"," ","world"," !\n");
+ print("* print()");
+ print("Hello","world","!");
+ print("* NIL");
+ print("We can print",NULL,"safely.");
+ NIL="(anything)";
+ print("We can print",NULL,"safely.");
+ print("* coalesce():");
+ print("We can",coalesce("print","everything"),coalesce(NULL,"everything"),"safely.");
+ print("* OFS");
+ OFS=":";
+ print("We","can","customize","print");
+ OFS="...";
+ print("* MAYBE ?");
+ repeat(4) print((MAYBE ? "Hello" : "Hi"), (MAYBE ? "world" : "friend"), (MAYBE ? "!" : "?"));
+ print("* WHOKNOWS ?");
+ repeat(4) print((WHOKNOWS ? "Hello" : "Hi"), (WHOKNOWS ? "world" : "friend"), (WHOKNOWS ? "!" : "?"));