Bug 115672 [Import/Export] Spaces in a tar file checksum confuse the tar importer
3.2M3 The spacebar character is special in tar header files, and should generally be ignored. Space characters at the beginning the checksum field can confuse the current tar code, causing otherwise valid tar files to fail.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/TarInputStream.java
{
	private int nextEntry = 0;
	private int nextEOF = 0;
	private int filepos = 0;
	private int bytesread = 0;
	private TarEntry firstEntry = null;
	private String longLinkName = null;
	/**
	 * Creates a new tar input stream on the given input stream.
	 * 
	 * @param in input stream
	 * @throws TarException
	 * @throws IOException
	 */
	public TarInputStream(InputStream in) throws TarException, IOException {
		super(in);
		
		
		firstEntry = getNextEntry();
	}
	/**
	 * Create a new tar input stream, skipping ahead to the given entry
	 * in the file.
	 * 
	 * @param in input stream
	 * @param entry skips to this entry in the file
	 * @throws TarException
	 * @throws IOException
	 */
	TarInputStream(InputStream in, TarEntry entry) throws TarException, IOException {