2.0

-- WARNING DO NOT EDIT SCRIPT THIS WILL BUG OS
-- if you are best at script why you give it an try
-- to see make an os but if you are an noob
-- dont edit

-- MineOS
local running = true

-- start at first
os.setComputerLabel("2.0")
term.setCursorPos(1,1)
term.clear()
term.setTextColor(colors.yellow)
print("Welcome Player!")
sleep(3)
term.clear()
term.setCursorPos(1,1)
print("MineOS2")

-- prompt
while running do
    term.setTextColor(colors.yellow)
    io.write("> ")
    term.setTextColor(colors.white)
    local input = read()
    local args = {}
    for word in string.gmatch(input, "[^%s]+") do
        table.insert(args, word)
    end

    local command = args[1]

-- commands

    if command == "about" then
        term.setTextColor(colors.orange)
        print("About")
        term.setTextColor(colors.white)
        print("   _______    MineOS")
        print("  |   |   |   Version: 2.0")
        print("  | S | e |   Kernel: DEV2")
        print("  | O | n |   CCID: " .. os.getComputerID())
        print("  |   | i |   Uptime: " .. math.floor(os.clock()) .. "s")
        print("  | > | M |   CR: 2023 - 2025")
        if term.isColor() then
            print("              Color: true")
        else
            print("              Color: false")
        end
    elseif command == "help" then
        term.setTextColor(colors.orange)
        print("Help")
        term.setTextColor(colors.white)
        print("tipe 'plist' or 'mlist'")

    elseif command == "plist" then
        term.setTextColor(colors.orange)
        print("Programs")
        term.setTextColor(colors.white)
        local files = fs.list("/")
        for _, file in ipairs(files) do
            local isStartup = string.match(file, "^startup$") or string.match(file, "^startup%..+")
            if not isStartup and file ~= "rom" then
            print(file)
            end
        end

    elseif command == "hello" then
        term.clear()
        term.setCursorPos(1,1)
        term.setTextColor(colors.orange)
        textutils.slowPrint("Hello World!")
        sleep(3)
        term.clear()
        term.setCursorPos(1,1)

    elseif command == "pedit" then
        local filename = args[2]
        if filename then
            local lower = string.lower(filename)
            if lower == "startup" or lower == "startup.lua" then
                print("warning this is startup file that stores everything")
                sleep(3)
                shell.run("edit startup.lua")
            else
                shell.run("edit", filename)
            end
        end

    elseif command == "popen" then
        local progName = args[2]
        if progName then
            local lower = string.lower(progName)
            if lower == "startup" or lower == "startup.lua" then
                print("Error opening that file")
            elseif shell.resolveProgram(progName) then
                print("Running " .. progName)
                shell.run(progName)
            else
                print("Unknown Program to open")
            end
        end

    elseif command == "mlist" then
        term.setTextColor(colors.orange)
        print("MPrograms")
        term.setTextColor(colors.white)
        print("hello  -- hello world")
        print("about  -- about system")
        print("shutoff  -- shutdowns")
        print("popen <program>  -- opens program")
        print("pedit <program> -- edits program")
        print("reboot -- restarts")
        print("cls -- clears screen")
        print("shell -- shows text start")
        print("cal <math> -- calculator")
        print("plist -- lists programs ")
        print("mlist -- lists mineos programs")
        print("pdelete <program> -- deletes program")
        print("pir <ins/run> -- installs program")

    elseif command == "shutoff" then
        term.clear()
        term.setCursorPos(1,1)
        print("Please Wait...")
        sleep(1)
        term.setCursorPos(1,1)
        term.setTextColor(colors.red)
        print("ShuttingOFF...")
        sleep(4)
        running = false
        os.shutdown()

    elseif command == "reboot" then
        term.clear()
        term.setCursorPos(1,1)
        print("Please Wait...")
        sleep(1)
        term.clear()
        term.setCursorPos(1,1)
        term.setTextColor(colors.red)
        print("Rebooting...")
        sleep(4)
        running = false
        os.reboot()

    elseif command == "cls" then
        term.clear()
        term.setCursorPos(1,1)

    elseif command == "shell" then
        term.setTextColor(colors.yellow)
        print("MineOS2")

    elseif command == "cal" then
        local expression = input:sub(5) -- everything after 'cal '
        local fn, err = load("return " .. expression)
        if fn then
            local ok, result = pcall(fn)
            if ok then
                print(result)
            else
                print("Error")
            end
        end

    elseif command == "pdelete" then
        local filename = args[2]
        if filename then
            local lower = string.lower(filename)
            if lower == "startup" or lower == "startup.lua" then
                print("Error deleting that file")
            elseif fs.exists(filename) then
                fs.delete(filename)
                print("Deleted " .. filename)
            else
                print("Unknown Program to delete")
            end
        end

    elseif command == "pir" then
            local action = args[2]
            local code = args[3]

            if action == "ins" and code then
                local url = "https://pastebin.com/raw/" .. code
                local response = http.get(url)

                if response then
                    local content = response.readAll()
                    response.close()
                    local filename = "pir_" .. code .. ".lua"

                    if fs.exists(filename) then
                        print("File already exists " .. filename)
                    else
                        local file = fs.open(filename, "w")
                        file.write(content)
                        file.close()
                        print("Installed as " .. filename)
                    end
                else
                    print("Failed to fetch")
                end

            elseif action == "run" and code then
                local url = "https://pastebin.com/raw/" .. code
                local response = http.get(url)

                if response then
                    local content = response.readAll()
                    response.close()
                    local fn, err = load(content, "pir_" .. code)
                    if fn then
                         print("Running code")
                         local ok, msg = pcall(fn)
                         if not ok then
                            print("Error running code script = " .. msg)
                         end
                    end
                else
                    print("Error code " .. (err or "Unknown error"))
                end
            else
               print("Failed to fetch")
            end

    else
        print("Unknown MProgram to open")
    end
end