title: How can I run an external program in Perl?
body: <p>I want to execute a C program using Perl script. What ever inputs are given to the C executable manually, those should be given by my program..</p>
  
  <p>Lets take a simple program, which takes input of two nos. and prints the sum of it.
  The values should be provided by Perl script.</p>
  
  <p>Kindly guide me through some tutorial where I can achieve the same.</p>