#include <unistd.h>
#include <fcntl.h>
#include <getopt.h>
+#include <signal.h>
#include <assert.h>
+#include <ctype.h>
#ifdef HAVE_LIBREADLINE
#include <readline/readline.h>
/* If the next character is '#' then this is a comment. */
if (*buf == '#') continue;
+ /* If the next character is '!' then pass the whole lot to system(3). */
+ if (*buf == '!') {
+ int r;
+
+ r = system (buf+1);
+ if (!prompt) {
+ if (r == -1 ||
+ (WIFSIGNALED (r) &&
+ (WTERMSIG (r) == SIGINT || WTERMSIG (r) == SIGQUIT)) ||
+ WEXITSTATUS (r) != 0)
+ exit (1);
+ }
+ continue;
+ }
+
/* Get the command (cannot be quoted). */
len = strcspn (buf, " \t");