title: Regarding Unix shell script
body: <p>I want to retrieve the file from the INFILE directory which are begining with the file names prefix  "BBSCGG_"  or   "BCT_" or   "ACL_"  or  "ASC"  and   do the processing inside the for loop</p>
  
  <pre><code>INFILE=/ext/test/fil1/
  
  for infile name in file prefix
  
  ...  if [[ -f ${fspec} ]] ; then
  
              processing logic
  
       else
              processing logic
  done  
  </code></pre>
  
  <p>how can i do it</p>