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This function opens a link to a file instance on a given MTA:Eir FileSystem translator. Using a file link, you can write and/or receive data from filesystems.


file ( string filePath, string fileMode )


  • filePath: the path to the file that should be opened
  • fileMode: an ANSI file mode descriptor (can be 'w', 'r' or 'a', with 'b' and/or '+' appended)


This function returns the FileSystem file class that can be used to retrieve or store data persistently. Returns false if the file failed to open for some reason.


Click to collapse [-]

This snippet lists information about the registered MTA server modules. This information can be retrieved through a command.

-- The table that will contain all module information.
local moduleInfo = {};

-- Attempt to get a handle to the FileSystem module namespace.
local fsys = createFilesystemInterface();

-- Could fail if the server restrictions are set tight.
if not ( fsys ) then
    outputDebugString( "could not get a handle to the FileSystem module namespace" );
    return false;

local function moduleFileIterator( filePath )
    -- Create an entry for this module.
    local moduleName = fsys.root.relPath( filePath );
    local moduleStats = fsys.root.stat( filePath );

    local entry = {
        name = moduleName,
        stats = moduleStats

    -- Add the entry into the registry.
    table.insert( moduleInfo, entry );

-- Loop through all server modules.
fsys.root.chdir( "mods/deathmatch/modules/" );
fsys.root.scanDirEx( "", "*", nil, moduleFileIterator, false );

-- Function to get a module into by name.
local function getModuleByName( name )
    for m,n in ipairs( moduleInfo ) do
        if ( == name ) then
            return n;

    return false;

-- Command to request server module information.
addCommandHandler( "modules",
    function(player, moduleName)
        -- Output module information to the player.
        local module = getModuleByName( moduleName );

        if not ( module ) then
            outputChatBox( "could not find module named " .. tostring( moduleName ), player );
            return false;

        -- Output it.
        outputChatBox( "module-name: " .. );
        outputChatBox( "module-size: " .. module.stats.size );
        -- todo: add more info about the module.
Click to collapse [-]

This snippet attempts to open a file and output its contents inside of a CEGUI memo.

-- Get the screen size so we can scale the memo properly
local screenWidth, screenHeight = guiGetScreenSize();

-- Make the memo cover nearly the entire screen.
local myMemo = guiCreateMemo( 20, 20, screenWidth - 40, screenHeight - 40, "", false );

-- Read the contents of some file.
local fileContents = "";

local fileHandle = fileOpen( "someFile.txt", "rb" );

if ( fileHandle ) then
    fileContents = fileHandle.size() );

    -- Clean up our file handle.

-- Update the memo.
guiSetText( myMemo, fileContents );

FileSystem Translator Functions

FileSystem File Functions