1 #include <stdlib.h> 2 #include <stdio.h> 3 #include <sys/wait.h> 4 #include <errno.h> 5 6 int main(int argc,char * argv[])7main(int argc, char *argv[]) 8 { 9 int rv; 10 11 if (argc < 2) 12 return -1; 13 14 rv = system(argv[1]); 15 if (rv < 0) { 16 fprintf(stderr, "Error calling system(): %d\n", errno); 17 return 1; 18 } 19 20 printf("Done!\n"); 21 22 if (WEXITSTATUS(rv) != 0) { 23 fprintf(stderr, "Command returned non-zero exit code: %d\n", 24 WEXITSTATUS(rv)); 25 return 1; 26 } 27 return 0; 28 } 29