Data update

Task/Binary-strings/Pluto/binary-strings.pluto

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+-- Create string.
+local s = "abc"
+
+-- Destroy string (not really see notes above).
+s = nil
+
+-- (Re)assignment.
+s = "def"
+
+-- Comparison.
+local b = (s == "abc")  -- false
+local c = (s <= "ghi")  -- true
+
+-- Cloning/copying.
+local t = s
+
+-- Check if empty.
+s = ""
+b = (s != "")  -- false
+b = (#s == 0)  -- true
+
+-- Append a byte.
+s ..= "b"
+
+-- Extract a substring.
+s = "ghijkl"
+t = s:sub(2, 5) -- "hijk"
+
+-- Replace a byte or string.
+s = "abracadabra"
+s = s:replace("a", "z")  -- "zbrzczdzbrz"
+
+-- Join strings.
+s = "abc"
+t = "def"
+local u = s .. t  -- "abcdef"