title: windows batch: react to command not found
body: <p>i want to write a simple batch script, that calls a certain exe, but if this one is not found, it should call another exe. </p>
  
  <p>so in pseudocode</p>
  
  <pre><code>set file=c:\path\tool.exe
  if(fileexists(file))
  {
      call file
  }
  else
  {
      call c:\somethingelse.exe
  }
  </code></pre>
  
  <p>thanks!</p>