code: function onRemove( error ) {
  		if ( error ) {
  			debug( 'Error encountered while attempting to delete a temporary input file %s: %s', inFile, error.message );
  			return done( error );
  		}
  		debug( 'Successfully deleted temporary input file: %s', inFile );
  		if ( dest === void 0 ) {
  			debug( 'Reading temporary output file: %s', outFile );
  			return readFile( outFile, {'encoding':'utf8'}, onFile );
  		}
  		done();
  	}
docs: end FUNCTION onExec() 
  FUNCTION: onRemove( [error] )
  Callback invoked upon deleting a file.
  
  @private
  @param {Error} [error] - error object
  @returns {Void}