lua 獲取shell執行結果 進行字符串分割

function popen_command_info(command)
    local command_info
    local command_info_fd = io.popen(command, "r")
    if command_info_fd then
        while true do
            command_info = command_info_fd:read("*l")
            if command_info then break end
            if not command_info then
                command_info = ""
                break
            end
        end
        command_info_fd:close()
    end^M
    return command_info
end

function Split(szFullString, szSeparator)  
local nFindStartIndex = 1  
local nSplitIndex = 1  
local nSplitArray = {}  
while true do  
   local nFindLastIndex = string.find(szFullString, szSeparator, nFindStartIndex)  
   if not nFindLastIndex then  
    nSplitArray[nSplitIndex] = string.sub(szFullString, nFindStartIndex, string.len(szFullString))  
    break  
   end  
   nSplitArray[nSplitIndex] = string.sub(szFullString, nFindStartIndex, nFindLastIndex - 1)  
   nFindStartIndex = nFindLastIndex + string.len(szSeparator)  
   nSplitIndex = nSplitIndex + 1  
end  
return nSplitArray  
end  

local cmdres=popen_command_info(cmd)
local list = Split("abc,123,345", ",")