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-rwxr-xr-xhome/.bin/clock.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/home/.bin/clock.c b/home/.bin/clock.c
new file mode 100755
index 00000000..288884d8
--- /dev/null
+++ b/home/.bin/clock.c
@@ -0,0 +1,33 @@
+#if 0
+exec cc -Wall -Wextra -pedantic $@ -o $(dirname $0)/clock $0
+#endif
+
+// Fuzzy clock for display in tmux.
+
+#include <time.h>
+#include <stdio.h>
+#include <sysexits.h>
+#include <err.h>
+
+int main() {
+    time_t ts = time(NULL);
+    if (ts < 0) err(EX_OSERR, "time");
+
+    struct tm *time = localtime(&ts);
+    if (!time) err(EX_OSERR, "localtime");
+
+    int hour = time->tm_hour;
+    int next = (hour + 1) % 24;
+
+    switch ((time->tm_min + 5) / 10) {
+        case 0: printf("..%02d..\n", hour); break;
+        case 1: printf(".%02d...\n", hour); break;
+        case 2: printf("%02d....\n", hour); break;
+        case 3: printf("%d....%d\n", hour % 10, next / 10); break;
+        case 4: printf("....%02d\n", next); break;
+        case 5: printf("...%02d.\n", next); break;
+        case 6: printf("..%02d..\n", next); break;
+    }
+
+    return EX_OK;
+}