title: Need to concatenate a string to each line of ls command output in unix
body: <p>I am a beginer in Shell script. Below is my requirement in UNIX Korn Shell.</p>
  <h3>Example:</h3>
  <p>When we list files using <code>ls</code> command redirect to a file the file names will be stored as below.</p>
  <pre><code>$ ls FILE*&gt;FLIST.TXT
  $ cat FLIST.TXT
  FILE1
  FILE2
  FILE3
  </code></pre>
  <p>But I need output as below with a prefixed constant string <strong>STR,</strong>:</p>
  <pre><code>$ cat FLIST.TXT
  STR,FILE1
  STR,FILE2
  STR,FILE3
  </code></pre>
  <p>Please let me what should be the <code>ls</code> command to acheive this output.</p>