diff --git a/src/apps/mactime2/application.rs b/src/apps/mactime2/application.rs
index 96a83e6..d073d2e 100644
--- a/src/apps/mactime2/application.rs
+++ b/src/apps/mactime2/application.rs
@@ -1,8 +1,8 @@
-use anyhow::{Result};
 use chrono::offset::TimeZone;
 use chrono::{LocalResult, NaiveDateTime};
 use chrono_tz::Tz;
 use clap::ValueEnum;
+use clio::Input;
 
 use super::bodyfile::{BodyfileDecoder, BodyfileSorter, BodyfileReader};
 use super::cli::Cli;
@@ -32,7 +32,7 @@ pub enum OutputFormat {
 //#[derive(Builder)]
 pub struct Mactime2Application {
     format: OutputFormat,
-    bodyfile: Option<String>,
+    bodyfile: Input,
     src_zone: Tz,
     dst_zone: Tz,
     strict_mode: bool,
@@ -60,13 +60,13 @@ impl Mactime2Application {
         }
     }
 
-    pub fn run(&self) -> Result<()> {
+    pub fn run(&self) -> anyhow::Result<()> {
         let options = RunOptions {
             strict_mode: self.strict_mode,
             src_zone: self.src_zone,
         };
 
-        let mut reader = <BodyfileReader as StreamReader<String, ()>>::from(&self.bodyfile)?;
+        let mut reader = <BodyfileReader as StreamReader<String, ()>>::from(self.bodyfile.clone())?;
         let mut decoder = BodyfileDecoder::with_receiver(reader.get_receiver(), options);
         let mut sorter = self.create_sorter(&mut decoder);
         sorter.run();
@@ -112,7 +112,7 @@ impl From<Cli> for Mactime2Application {
 
         Self {
             format,
-            bodyfile: Some(cli.input_file),
+            bodyfile: cli.input_file,
             src_zone: cli
                 .src_zone
                 .map(|tz| tz.parse().unwrap())
@@ -125,15 +125,3 @@ impl From<Cli> for Mactime2Application {
         }
     }
 }
-
-impl Default for Mactime2Application {
-    fn default() -> Self {
-        Self {
-            format: OutputFormat::CSV,
-            bodyfile: None,
-            src_zone: Tz::UTC,
-            dst_zone: Tz::UTC,
-            strict_mode: false,
-        }
-    }
-}
diff --git a/src/apps/mactime2/cli.rs b/src/apps/mactime2/cli.rs
index 281ee19..5d9a47a 100644
--- a/src/apps/mactime2/cli.rs
+++ b/src/apps/mactime2/cli.rs
@@ -1,55 +1,66 @@
+use clap::{Parser, ValueHint};
+use clio::Input;
+use log::LevelFilter;
 
-use clap::Parser;
+use crate::common::HasVerboseFlag;
 
 use super::OutputFormat;
 
 #[cfg(feature = "gzip")]
-const BODYFILE_HELP: &str = "path to input file or '-' for stdin (files ending with .gz will be treated as being gzipped)";
+const BODYFILE_HELP: &str =
+    "path to input file or '-' for stdin (files ending with .gz will be treated as being gzipped)";
 #[cfg(not(feature = "gzip"))]
 const BODYFILE_HELP: &str = "path to input file or '-' for stdin";
 
 #[derive(Parser)]
 #[clap(name="mactime2", author, version, about, long_about = None)]
 pub struct Cli {
-    #[clap(short('b'), default_value="-", help=BODYFILE_HELP, display_order(100))]
-    pub(crate) input_file: String,
+    #[clap(short('b'), num_args=1, value_parser, value_hint=ValueHint::FilePath, default_value="-", help=BODYFILE_HELP, display_order(100))]
+    pub(crate) input_file: Input,
 
     /// output format, if not specified, default value is 'txt'
-    #[clap(short('F'), long("format"), value_enum, display_order(600))]
+    #[clap(
+        short('F'),
+        num_args = 1,
+        long("format"),
+        value_enum,
+        display_order(600)
+    )]
     pub(crate) output_format: Option<OutputFormat>,
 
     /// output as CSV instead of TXT. This is a conveniance option, which is identical to `--format=csv`
     /// and will be removed in a future release. If you specified `--format` and `-d`, the latter will be ignored.
-    #[clap(short('d'), display_order(610))]
+    #[clap(short('d'), num_args = 0, display_order(610))]
     pub(crate) csv_format: bool,
 
     /// output as JSON instead of TXT. This is a conveniance option, which is identical to `--format=json`
     /// and will be removed in a future release. If you specified `--format` and `-j`, the latter will be ignored.
-    #[clap(short('j'), display_order(620))]
+    #[clap(short('j'), num_args = 0, display_order(620))]
     pub(crate) json_format: bool,
 
     /// name of offset of source timezone (or 'list' to display all possible values
-    #[clap(short('f'), long("from-timezone"), display_order(300))]
+    #[clap(short('f'), num_args = 1, long("from-timezone"), display_order(300))]
     pub(crate) src_zone: Option<String>,
 
     /// name of offset of destination timezone (or 'list' to display all possible values
-    #[clap(short('t'), long("to-timezone"), display_order(400))]
+    #[clap(short('t'), num_args = 1, long("to-timezone"), display_order(400))]
     pub(crate) dst_zone: Option<String>,
 
     // /// convert only, but do not sort
     // #[clap(short('c'), long("convert-only"), display_order(450))]
     // pub(crate) dont_sort: bool,
-
     /// strict mode: do not only warn, but abort if an error occurs
-    #[clap(long("strict"), display_order(500))]
+    #[clap(long("strict"), num_args = 0, display_order(500))]
     pub(crate) strict_mode: bool,
 
     #[clap(flatten)]
     pub(crate) verbose: clap_verbosity_flag::Verbosity,
+}
 
-    /// print help in markdown format
-    #[arg(long, hide = true, exclusive=true)]
-    pub markdown_help: bool,
+impl HasVerboseFlag for Cli {
+    fn log_level_filter(&self) -> LevelFilter {
+        self.verbose.log_level_filter()
+    }
 }
 
 impl Cli {
@@ -64,4 +75,4 @@ impl Cli {
     pub fn dst_zone(&self) -> &Option<String> {
         &self.dst_zone
     }
-}
\ No newline at end of file
+}
diff --git a/src/apps/mactime2/stream/stream_reader.rs b/src/apps/mactime2/stream/stream_reader.rs
index e45581c..da3a0d6 100644
--- a/src/apps/mactime2/stream/stream_reader.rs
+++ b/src/apps/mactime2/stream/stream_reader.rs
@@ -1,10 +1,10 @@
 use std::{
-    io::stdin,
     sync::mpsc::{self, Receiver, Sender},
     thread::{self, JoinHandle},
 };
 
 use anyhow::Result;
+use clio::Input;
 
 use crate::apps::mactime2::{stream::*, filter::{Joinable, Provider}};
 
@@ -12,17 +12,12 @@ pub(crate) trait StreamReader<T, R>: Sized + StreamWorker<T> + Joinable<R> + Pro
 where
     T: Send + 'static,
 {
-    fn from(filename: &Option<String>) -> Result<Self> {
+    fn from(input: Input) -> Result<Self> {
         let (tx, rx): (Sender<T>, Receiver<T>) = mpsc::channel();
 
-        let worker = match StreamSource::from(filename)? {
-            StreamSource::Stdin => thread::spawn(move || {
-                <Self as StreamWorker<T>>::worker(stdin(), tx);
-            }),
-            StreamSource::File(f) => thread::spawn(move || {
-                <Self as StreamWorker<T>>::worker(f, tx);
-            }),
-        };
+        let worker = thread::spawn(move || {
+            <Self as StreamWorker<T>>::worker(StreamSource::from(input), tx);
+        });
 
         Ok(<Self as StreamReader<T, R>>::new(worker, rx))
     }
diff --git a/src/apps/mactime2/stream/stream_source.rs b/src/apps/mactime2/stream/stream_source.rs
index 9d14e74..69ba1b4 100644
--- a/src/apps/mactime2/stream/stream_source.rs
+++ b/src/apps/mactime2/stream/stream_source.rs
@@ -1,41 +1,23 @@
-use std::{io::{Read, BufReader}, fs::File};
-use anyhow::Result;
+use std::io::Read;
 
+use clio::Input;
 #[cfg(feature = "gzip")]
 use flate2::read::GzDecoder;
+pub(crate) struct StreamSource(Box<dyn Read + Send>);
 
-pub (crate) enum StreamSource {
-    Stdin,
-    File(Box<dyn Read + Send>),
-}
-
-impl StreamSource {
-    pub fn from(filename: &Option<String>) -> Result<Self> {
-        match filename {
-            None => Ok(StreamSource::Stdin),
-            Some(filename) =>  {
-                if filename == "-" { Ok(StreamSource::Stdin) }
-                else {
-                    let file = BufReader::new(File::open(filename)?);
-
-                    #[cfg(not(feature = "gzip"))]
-                    let reader: Box<dyn BufRead> = Box::new(file);
-
-                    #[cfg(feature = "gzip")]
-                    let reader = Self::open_gzip(filename, file);
-
-                    Ok(StreamSource::File(reader))
-                }
-            }
+impl From<Input> for StreamSource {
+    fn from(input: Input) -> Self {
+        #[cfg(feature = "gzip")]
+        if input.path().ends_with(".gz") {
+            return Self(Box::new(GzDecoder::new(input)));
         }
+
+        Self(Box::new(input))
     }
+}
 
-    #[cfg(feature = "gzip")]
-    fn open_gzip<R: Read + Send + 'static>(filename: &str, file: R) -> Box<dyn Read + Send> {
-        if filename.ends_with(".gz") {
-            Box::new(GzDecoder::new(file))
-        } else {
-            Box::new(file)
-        }
+impl Read for StreamSource {
+    fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
+        self.0.read(buf)
     }
 }
\ No newline at end of file
diff --git a/src/bin/mactime2/main.rs b/src/bin/mactime2/main.rs
index 05059ab..ea314c0 100644
--- a/src/bin/mactime2/main.rs
+++ b/src/bin/mactime2/main.rs
@@ -1,23 +1,12 @@
 use anyhow::Result;
-use clap::Parser;
-use simplelog::{TermLogger, Config, TerminalMode, ColorChoice};
 use chrono_tz::TZ_VARIANTS;
+use dfir_toolkit::common::FancyParser;
 
 use dfir_toolkit::apps::mactime2::Cli;
 use dfir_toolkit::apps::mactime2::Mactime2Application;
 
 fn main() -> Result<()> {
-    if std::env::args().any(|a| &a == "--markdown-help") {
-        clap_markdown::print_help_markdown::<Cli>();
-        return Ok(());
-    }
-    let cli = Cli::parse();
-
-    let _ = TermLogger::init(
-        cli.verbose().log_level_filter(),
-        Config::default(),
-        TerminalMode::Stderr,
-        ColorChoice::Auto);
+    let cli: Cli = Cli::parse_cli();
 
     match cli.src_zone().as_deref() {
         Some("list") => {display_zones(); return Ok(());}