Add a -n/--now flag to only print the current hour’s name

README.md

@@ -16,6 +16,14 @@ longitude = 19.286
 
 If you don’t provide a configuration file, the day parts (day/night time and the golden/blue hours) won’t be visible on the clock face.
 
+## Command line arguments
+
+### Just print the current hour’s name
+
+You can pass `-n` or `--now` to the app to only print the current hour’s name.
+
+This can be used in scripts, or in i3/sway panels, for example.
+
 ## Features
 
 ### Seasonal hours!

src/main.rs

@@ -11,17 +11,27 @@ mod clock;
 mod config;
 mod svg_clock;
 
+use clock::get_current_hour_name;
 use config::{get_config, Config};
 use svg_clock::{cache_hour_name_paths, gen_svg, svg_to_usvg};
 
 #[derive(Parser, Debug)]
 #[clap(author, version, about, long_about = None)]
-struct Args {}
+struct Args {
+    /// Print the current hour’s name and exit
+    #[clap(short, long)]
+    now: bool,
+}
 
 sctk::default_environment!(SeasonalClock, desktop);
 
 fn main() {
-    Args::parse();
+    let args = Args::parse();
+
+    if args.now {
+        println!("{}", get_current_hour_name());
+        std::process::exit(0);
+    }
     let config = get_config();
 
     run_windowed(&config);