1 files changed, 28 insertions, 0 deletions
diff --git a/.bin/clock.c b/.bin/clock.c
new file mode 100755
index 00000000..9eb4dc23
--- /dev/null
+++ b/.bin/clock.c
@@ -0,0 +1,28 @@
+#if 0
+exec cc -Wall -Wextra -pedantic $@ -o $(dirname $0)/clock $0
+#endif
+
+#include <time.h>
+#include <stdio.h>
+#include <sysexits.h>
+#include <err.h>
+
+int main() {
+    time_t timestamp = time(NULL);
+    if (timestamp < 0) err(EX_OSERR, "time");
+
+    struct tm *clock = localtime(&timestamp);
+    if (!clock) err(EX_OSERR, "localtime");
+
+    switch ((clock->tm_min + 5) / 10) {
+        case 0: printf("...%02d...\n", clock->tm_hour); break;
+        case 1: printf("..%02d....\n", clock->tm_hour); break;
+        case 2: printf(".%02d.....\n", clock->tm_hour); break;
+        case 3: printf("%02d....%02d\n", clock->tm_hour, clock->tm_hour + 1); break;
+        case 4: printf(".....%02d.\n", clock->tm_hour + 1); break;
+        case 5: printf("....%02d..\n", clock->tm_hour + 1); break;
+        case 6: printf("...%02d...\n", clock->tm_hour + 1); break;
+    }
+
+    return 0;
+}