crontab-argh: add program

[bin.git] / crontab-argh.c

diff --git a/crontab-argh.c b/crontab-argh.c
new file mode 100755 (executable)
index 0000000..504073a
--- /dev/null
+++ b/crontab-argh.c
@@ -0,0 +1,29 @@
+// stops you from accidentally running crontab -r
+// alias this to crontab
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+       char arg[255] = "crontab ";
+
+       for (int i = 1; i < argc; i++) {
+               strcat(arg, strcat(argv[i], " "));
+       }
+
+       if (strstr(arg, "-r") != NULL) {
+               printf("%s", "Delete user's crontab? [yes/no]: ");
+               char inp[255];
+               int ret;
+               while (1) {
+                       ret = scanf("%s", inp);
+                       if (ret == EOF) continue;
+                       else if (strcmp(inp, "no") == 0) exit(0);
+                       else if (strcmp(inp, "yes") == 0) break;
+                       else printf("%s", "Please answer yes or no. [yes/no]: ");
+               }
+       }
+       system(arg);
+       return 0;
+}