Add the date subcommand.

source/cli/mod.rs

@@ -27,6 +27,13 @@ pub enum MainSubcommand {
     command: ArgumentsSubcommand,
   },
 
+  /// The date subcommand.
+  Date {
+    /// The date subcommands.
+    #[command(subcommand)]
+    command: DateSubcommand,
+  },
+
   /// The directory subcommand.
   Directory {
     /// The directory subcommands.
@@ -75,6 +82,17 @@ pub enum ArgumentsSubcommand {
   },
 }
 
+/// The date subcommands.
+#[derive(Debug, Subcommand)]
+pub enum DateSubcommand {
+  /// Gets the current date.
+  Now {
+    /// The format string for the date, defaults to ISO 8601.
+    #[arg(short, long, default_value = "%FT%T%z")]
+    format: String,
+  },
+}
+
 /// The directory subcommands.
 #[derive(Debug, Subcommand)]
 pub enum DirectorySubcommand {

source/cli/run.rs

@@ -3,8 +3,8 @@
 use {
   crate::{
     cli::{
-      ArgumentsSubcommand, Cli, DirectorySubcommand, FileSubcommand,
-      MainSubcommand::*, MatchSubcommand, Parser,
+      ArgumentsSubcommand, Cli, DateSubcommand, DirectorySubcommand,
+      FileSubcommand, MainSubcommand::*, MatchSubcommand, Parser,
     },
     logging::append_line_to_file,
   },
@@ -30,6 +30,14 @@ pub fn run() {
       }
     },
 
+    Date {
+      command: date_subcommand,
+    } => match date_subcommand {
+      DateSubcommand::Now { format } => {
+        print!("{}", Local::now().format(&format));
+      }
+    },
+
     Directory {
       command: directory_subcommand,
     } => match directory_subcommand {