# string creation var x = "hello world" # string destruction x = nil # string assignment with a null byte x = "a\0b" say x.length # ==> 3 # string comparison if (x == "hello") { say "equal" } else { say "not equal" } var y = 'bc' if (x < y) { say "#{x} is lexicographically less than #{y}" } # string cloning var xx = x.clone say (x == xx) # true, same length and content say (x.refaddr == xx.refaddr) # false, different objects # check if empty if (x.is_empty) { say "is empty" } # append a byte x += "\07" say x.dump #=> "a\0b\a" # substring say x.substr(0, -1).dump #=> "a\0b" # replace bytes say "hello world".tr("l", "L") # join strings var a = "hel" var b = "lo w" var c = "orld" var d = (a + b + c) say d