/* * Purpose: Program to demonstrate the popen function. * * to do: Check that the 'popen' was successfull. * * Author: M J Leslie. * Date: 08-Jan-94 */ #include main() { FILE *fp; char line[130]; /* line of data from unix command*/ fp = popen("ls -l", "r"); /* Issue the command. */ /* Read a line */ while ( fgets( line, sizeof line, fp)) { printf("%s", line); } pclose(fp); }