Lua

JSON: Renaming and Deleting Members

See more JSON Examples

Demonstrates renaming and deleting members. This example uses the following JSON document:

{
   "apple": "red",
   "lime": "green",
   "banana": "yellow",
   "broccoli": "green",
   "strawberry": "red"
}

Lua

local chilkat = require("chilkat")

local json = chilkat.JsonObject.new()

local success = json:load("{\"apple\": \"red\",\"lime\": \"green\",\"banana\": \"yellow\",\"broccoli\": \"green\",\"strawberry\": \"red\"}")
if not success then
    print(json.last_error_text)
    return
end

-- Rename "lime" to "lemon".
success = json:rename("lime", "lemon")
-- Change the color to yellow:
success = json:set_string_of("lemon", "yellow")

-- Rename by index.  Banana is at index 2 (apple is at index 0)
success = json:rename_at(2, "bartlett_pear")

-- Delete broccoli by name
success = json:delete("broccoli")

-- Delete apple by index.  Apple is at index 0.
success = json:delete_at(0)

json.emit_compact = false
print(json:emit())