title: How to delete a character in a string using TCL
body: <p>I have the following string </p>
  
  <blockquote>
    <p>"TCL is known as "tool command language", TCL is known as "tool
    command language", TCL is known as "tool command language""</p>
  </blockquote>
  
  <p>from the above input I want a output like below</p>
  
  <blockquote>
    <p>"TCL is known as tool command language, TCL is known as tool command
    language, TCL is known as tool command language"</p>
  </blockquote>
  
  <p>i.e. <code>only first and last double quotes should be displayed on output, and all other should be deleted,</code> Could someone let me know the different methods to accomplish this</p>