Get a FileEntry

get_file_entry.js

function getFileEntry(localFileSystem, filePath, onGetFileWin, onGetFileFail) 
{
    var onFSWin = function(fileSystem) {
      fileSystem.root.getFile(filePath, {create: true, exclusive: false}, onGetFileWin, onGetFileFail);
    }

    var onFSFail = function(evt) {
      console.log(evt.target.error.code);
    }

    window.requestFileSystem(localFileSystem, 0, onFSWin, onFSFail);
}

var onGetFileWin = function(entry) {
  // TODO: do something with the FileEntry entry
}
var onGetFileFail = function() {
  console.log("error getting file")
}

getFileEntry(LocalFileSystem.PERSISTENT, "MyApp/myfile.txt", onGetFileWin, onGetFileFail);