text: #!/usr/bin/env node
  
  const programme = require('commander') ;
  
  programme
      .version('0.0.1')
      .description('Client management system') ;
  
  programme
      .command('add <firstname> <lastname> ')
      .alias('a')
      .description('Add user')
      .action( (firstname,lastname ) => {
          console.log(firstname,lastname  ) ;
      })
  
  
  programme.parse( process.argv ) ;
  