Version: 2020.1
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AssetDatabase.ReleaseCachedFileHandles

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public static void ReleaseCachedFileHandles();

Description

Calling this function will release file handles internally cached by Unity. This allows modifying asset or meta files safely thus avoiding potential file sharing IO errors.

using System.IO;
using UnityEditor;
using UnityEngine;

public class AssetDatabaseExamples : MonoBehaviour { //Replace meta file information [MenuItem("AssetDatabase/ReleaseCachedFileHandlesExample")] public static void ReleaseCachedFileHandlesExample() { //Read and store meta information that will be replacing the meta file var metaContent = File.ReadAllText("NewMetaFile.txt");

//Get Material's meta file path var metaFilePath = AssetDatabase.GetTextMetaFilePathFromAssetPath("Assets/Material.mat");

//Release CachedFileHandles to avoid any I/O errors AssetDatabase.ReleaseCachedFileHandles();

//Replace the meta file with the contents of NewMetaFile.txt File.WriteAllText(metaFilePath, metaContent); AssetDatabase.Refresh(); } }

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