Hi All,<div><br></div><div> I have some problem with extension of file.some executables  file will recognize the only the specific extension like autodock . it takes one  input file ( extension with  &quot;.dpf&quot; ) and one  outpt file (extension with &quot;.dlg&quot;). how can we resolve such type of problem .  </div>
<div><br></div><div><br></div><div>Regards</div><div><br></div><div>Shashi shekhar</div><div><br></div><div><br></div><div><div><br></div><div><br></div></div>