MTA:Eir/FileSystem/translator/exists: Difference between revisions

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(Created page with "__NOTOC__ This function checks whether a specified file exists on a MTA:Eir FileSystem translator. ==Syntax== <syntaxhighlight lang="lua"> bool translator.exists ( string filePath ) </syntaxhighlight> ...")
 
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==Syntax==
==Syntax==
<syntaxhighlight lang="lua">
<syntaxhighlight lang="lua">
bool translator.exists ( string filePath )
bool translator:exists ( string filePath )
</syntaxhighlight>
</syntaxhighlight>


Revision as of 23:21, 16 January 2022

This function checks whether a specified file exists on a MTA:Eir FileSystem translator.

Syntax

bool translator:exists ( string filePath )

Arguments

  • filePath: the path to the file that should exist

Returns

This function returns true if the given path points to a valid file instance on a FileSystem, false otherwise.

Example

Click to collapse [-]
Client

This snippet checks whether a file exists on the client. Otherwise, the file is created. 

-- Attempt to get a link to our resource directory.
local resRoot = fileCreateTranslator( "/" );

if not ( resRoot ) then
    outputDebugString( "could not link the resource instance directory" );
    return false;
end

-- Check file existence.
local fileName = "someFile.txt";

if not ( resRoot.exists( fileName ) ) then
    local fileHandle = resRoot.open( fileName, "wb+" );

    -- Write our watermark!
    fileHandle.write( "this file is legit." );
end

FileSystem Translator Functions

FileSystem File Functions

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