how to append block of file to another file
<p>I have a requirement that I need to append block of a file to other file.</p>

<p>let say I have 100 lines in source file and I need to append the 50 lines from the bottom to destination file.</p>

<p>To navigate to the 50th line I using .readLine() of the BufferedReader.</p>

<p>Once I reached to 50 th line I want to append remaining content to the destination file.
I don't want to append line by line as it is consuming much time.</p>

<p>Please help me how to do that..</p>

<p>Please provide a code snippet if possible.</p>
