title: How can I use sed or awk to replace "\n" in text file with new lines
body: <p>I cannot figure out how to replace <code>\n</code> in text with new lines using sed (sed) or awk (gawk). For example, I would like to have the sed or awk command replace</p>
  <blockquote>
  <p>hello world\nI am from Mars\n</p>
  </blockquote>
  <p>by</p>
  <blockquote>
  <p>hello world</p>
  <p>I am from Mars</p>
  </blockquote>