Initial revision

gc/if_not_there.c

@@ -0,0 +1,26 @@
+/* Conditionally execute a command based if the file argv[1] doesn't exist */
+/* Except for execvp, we stick to ANSI C.				   */
+# include "gcconfig.h"
+# include <stdio.h>
+
+int main(argc, argv, envp)
+int argc;
+char ** argv;
+char ** envp;
+{
+    FILE * f;
+    if (argc < 3) goto Usage;
+    if ((f = fopen(argv[1], "rb")) != 0
+        || (f = fopen(argv[1], "r")) != 0) {
+        fclose(f);
+        return(0);
+    }
+    printf("^^^^Starting command^^^^\n");
+    execvp(argv[2], argv+2);
+    exit(1);
+    
+Usage:
+    fprintf(stderr, "Usage: %s file_name command\n", argv[0]);
+    return(1);
+}
+