diff --git a/src/main.rs b/src/main.rs
index 6daef2a..d3d3ad1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,19 +2,30 @@ extern crate sequoia_openpgp as openpgp;
 pub mod oss_util;
 pub mod pgp_util;
 pub mod config_util;
+pub mod opt;
 
 use std::{
     time::SystemTime,
 };
 use rust_util::{
     XResult,
+    util_msg::*,
 };
 use config_util::*;
 // use pgp_util::OpenPGPTool;
+use opt::{
+    Options,
+};
 
 // https://docs.sequoia-pgp.org/sequoia_openpgp/serialize/stream/struct.Encryptor.html
 // https://gitlab.com/sequoia-pgp/sequoia/blob/master/openpgp/examples/generate-encrypt-decrypt.rs
 fn main() -> XResult<()> {
+    let options = Options::new_and_parse_args()?;
+    if options.version {
+        print_message(MessageType::INFO, "VERSION!!!");
+        return Ok(());
+    }
+
     println!("Hello, world!");
 
     println!("{}", SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs());
diff --git a/src/opt.rs b/src/opt.rs
new file mode 100644
index 0000000..ee0ac83
--- /dev/null
+++ b/src/opt.rs
@@ -0,0 +1,37 @@
+use rust_util::XResult;
+use argparse::{ArgumentParser, StoreTrue, Store};
+
+pub struct Options {
+    pub version: bool,
+    pub verbose: bool,
+    pub config: String,
+}
+
+impl Options {
+    pub fn new() -> Options {
+        Options {
+            version: false,
+            verbose: false,
+            config: "".to_string(),
+        }
+    }
+
+    pub fn parse_args(&mut self) -> XResult<()> {
+        {
+            let mut ap = ArgumentParser::new();
+            ap.set_description("oss_backupd - command line OSS backup tool.");
+            ap.refer(&mut self.version).add_option(&["-V", "--version"], StoreTrue, "Print version");
+            ap.refer(&mut self.verbose).add_option(&["-v", "--verbose"], StoreTrue, "Verbose");
+            ap.refer(&mut self.config).add_option(&["-c", "--config"], Store, "Config file");
+            ap.parse_args_or_exit();
+        }
+        
+        Ok(())
+    }
+
+    pub fn new_and_parse_args() -> XResult<Options> {
+        let mut options = Options::new();
+        options.parse_args()?;
+        Ok(options)
+    }
+}
\ No newline at end of file