From 12e96454ff6e883710cbc43c713673349300649f Mon Sep 17 00:00:00 2001
From: moss <moss@tilde.town>
Date: Sat, 25 Jan 2025 18:15:36 -0600
Subject: [PATCH] improve args handling

---
 src/main.zig | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/main.zig b/src/main.zig
index a02a902..48b2b16 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -9,7 +9,8 @@ pub fn main() !void {
 
     const params = comptime clap.parseParamsComptime(
         \\-h, --help display this help and exit
-        \\<FILE> file to read from, if empty or "-" use stdin.
+        \\-v, --version display the version and exit
+        \\<FILE> file to read from, empty or "-" use stdin
         \\
     );
 
@@ -27,8 +28,14 @@ pub fn main() !void {
     };
     defer res.deinit();
 
+    if (res.args.help != 0) return clap.help(std.io.getStdErr().writer(), clap.Help, &params, .{});
+
+    const version_string = "0.1.1\n";
+
+    if (res.args.version != 0) return std.debug.print(version_string, .{});
+
     var reader: std.io.AnyReader = undefined;
-    if (res.positionals.len < 1) {
+    if (res.positionals.len < 1 or std.mem.eql(u8, res.positionals[0], "-")) {
         reader = std.io.getStdIn().reader().any();
     } else {
         const filename = res.positionals[0];