nsh put

if not nsh then print("No nsh session!") return end

local args = {...}

if #args < 2 then
    print("Usage: put <local> <remote>")
    print("<local>: any file on the client")
    print("<remote>: any file on the server")
    return
end

local fileData = ""

nsh.send("FQ:;t="..args[1])
local message = nsh.receive()
if message ~= "fileNotFound" then
    while true do
        message = nsh.receive()
        pType = string.sub(message, 1, 2)
        if pType == "FD" then
            fileData = fileData..string.match(message, "^FD:;t=(.*)")
        elseif pType == "FE" then
            break
        end
    end
    if #fileData > 0 then
        local handle = io.open(args[2], "w")
        if handle then
            handle:write(fileData)
            handle:close()
        end
    else
        print("Empty file not written!")
    end
end