/* test2_gnuplot.c  just an example of  execl to run gnuplot */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char * argv[])
{
  int stat;
  printf("test2_gnuplot.c about to run gnuplot on my2.plot \n");
  stat = execl("/usr/bin/gnuplot","gnuplot","-persist","my2.plot", NULL);
  /* only returns upon error, no return on sucess */
  printf("execl failed on gnuplot, stat=%d \n", stat);
  return 0;
}