GetParams from function (split)

local sub = string.sub
local gsub = string.gsub
local find = string.find
local tinsert = _G.tinsert or table.insert
local function getParams(str)
    local len = str:len()
    local params = {}
    local i, j = find(str, "%S+")
    while (i and j) do
        if (find(str, '"', i) == i) then
            _, j = find(str, '"', i+1)
            while (true) do
                if (not j) then
                    return params
                end
                if (j+1 > len) then
                    break
                end
                if (j <= 1 or find(str, "\\", j-1) ~= j-1) then
                    break
                end
                _, j = find(str, '"', j+1)
            end
            local unquot = i+1 >= j+1 and "" or gsub(sub(str, i+1, j-1), '\\"', '"')
            tinsert(params, unquot)
        else
            tinsert(params, sub(str, i, j))
        end
        if (j+1 > len) then
            return params
        end
        i, j = find(str, "%S+", j+1)
    end
    return params
end

-- Test code
local cmd = 'something Rochet "attgasd" 1000 "Because I said \\"so\\""'
print(cmd) -- User used command

for k, v in pairs(getParams(cmd)) do
    print(k,v)
end