title: Bash, grep between two lines with specified string
body: <p>Example:</p>
  
  <pre><code>a43
  test1
  abc
  cvb
  bnm
  test2
  kfo
  </code></pre>
  
  <p>I need all lines between test1 and test2. Normal grep does not work in this case. Do you have any propositions?</p>