michael@0: /**
michael@0:  * Expects an object containing a blob, a start index and an end index
michael@0:  * for slicing. Returns the contents of the blob read as text.
michael@0:  */
michael@0: onmessage = function(event) {
michael@0:   var blob = event.data.blob;
michael@0:   var start = event.data.start;
michael@0:   var end = event.data.end;
michael@0: 
michael@0:   var slicedBlob = blob.slice(start, end);
michael@0: 
michael@0:   var fileReader = new FileReaderSync();
michael@0:   var text = fileReader.readAsText(slicedBlob);
michael@0: 
michael@0:   postMessage(text);
michael@0: };