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new file mode 100644
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..514c0ac
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,21 @@
+[workspace]
+resolver = "2"
+members = [
+	"oopsc",
+]
+default-members = [
+	"oopsc",
+]
+[workspace.package]
+name = "oops"
+version = "0.1.0"
+edition = "2021"
+authors = ["Christoph J. Scherr <softwar@cscherr.de>"]
+license = "MIT"
+description = "Personal multitool"
+readme = "README.md"
+homepage = "https://git.cscherr.de/PlexSheep/oops"
+repository = "https://git.cscherr.de/PlexSheep/oops"
+keywords = ["compiler"]
+categories = ["command-line-utilities", "development-tools"]
+publish = false
diff --git a/oopsc/Cargo.toml b/oopsc/Cargo.toml
new file mode 100644
index 0000000..ec914b8
--- /dev/null
+++ b/oopsc/Cargo.toml
@@ -0,0 +1,23 @@
+[package]
+name = "oopsc"
+version = "0.1.0"
+publish.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+description.workspace = true
+readme.workspace = true
+homepage.workspace = true
+repository.workspace = true
+keywords.workspace = true
+categories.workspace = true
+
+[features]
+default = []
+
+[dependencies]
+clap = "4.4.11"
+clap-num = "1.0.2"
+clap-verbosity-flag = "2.1.1"
+nom = "7.1.3"
+racc = "0.0.4"
diff --git a/oopsc/src/cli/mod.rs b/oopsc/src/cli/mod.rs
new file mode 100644
index 0000000..de2f644
--- /dev/null
+++ b/oopsc/src/cli/mod.rs
@@ -0,0 +1,126 @@
+//! # cli module
+//!
+//! This module defines the CLI interface of the oopsc. It uses [`clap`].
+
+//// ATTRIBUTES ////////////////////////////////////////////////////////////////////////////////////
+// we want docs
+#![warn(missing_docs)]
+#![warn(rustdoc::missing_crate_level_docs)]
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// we want Debug everywhere.
+#![warn(missing_debug_implementations)]
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// enable clippy's extra lints, the pedantic version
+#![warn(clippy::pedantic)]
+
+//// IMPORTS ///////////////////////////////////////////////////////////////////////////////////////
+use clap::{Parser, Subcommand};
+
+use clap_num::number_range;
+
+use clap_verbosity_flag::{Verbosity, InfoLevel};
+
+//// CONSTANTS /////////////////////////////////////////////////////////////////////////////////////
+/// short about section displayed in help
+const ABOUT_ROOT: &'static str = r##"
+OOPS compiler
+
+    A compiler for the oops programming language
+"##;
+/// longer about section displayed in help, is combined with [the short help](ABOUT_ROOT)
+static LONG_ABOUT_ROOT: &'static str = r##"
+
+    Object oriented pseudo syntax (OOPS) is a obscure programming language. This program is the
+    compiler for that language.
+"##;
+
+//// STATICS ///////////////////////////////////////////////////////////////////////////////////////
+/// ## Main struct for parsing CLI arguments
+///
+/// This struct describes the complete commandline options/arguments that [pt](crate) can take. It
+/// makes use of composition to build a complex system of commands, subcommands, flags and options.
+#[derive(Debug, Clone, Parser)]
+#[command(
+    author,
+    version,
+    about = ABOUT_ROOT,
+    long_about = format!("{}{}", ABOUT_ROOT ,LONG_ABOUT_ROOT),
+    help_template =
+r#"oopsc: {version}{about-section}Author:
+{author-with-newline}
+{usage-heading} {usage}{all-args}{tab}"#
+    )]
+pub struct Cli {
+    // enable more verbose output
+    #[clap(short, long, global = true)]
+    pub verbose: bool,
+
+    /// read from stdin instead of files
+    #[arg(short, long, global = true)]
+    pub stdin: bool,
+
+    /// choose a subcommand
+    #[command(subcommand)]
+    pub command: Commands,
+
+    /// a list of file (paths)
+    #[clap(short, long, global = true)]
+    pub files: Vec<std::path::PathBuf>
+}
+
+//// ENUMS /////////////////////////////////////////////////////////////////////////////////////////
+/// ## defines the top level commands
+#[derive(Debug, Clone, Subcommand)]
+#[non_exhaustive]
+pub enum Commands {
+    /// Scan a file for tokens
+    Scan,
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// ## defines the networking commands
+#[derive(Debug, Clone, Subcommand)]
+#[non_exhaustive]
+pub enum NetCommands {
+    /// monitor your network
+    Monitor {
+        /// repeat every N seconds, 0 means no repeat
+        #[clap(short, long, default_value_t = 0, name = "N")]
+        repeat: u64,
+
+        /// At what percentage should the try be considered successful
+        #[clap(short, long, default_value_t = 100, value_parser=max100)]
+        success_ratio: u8,
+
+        /// extra URLs to check with
+        extra_urls: Vec<String>,
+
+        /// Don't check for default URLs
+        #[clap(short, long)]
+        no_default: bool,
+
+        /// set a timeout (in ms)
+        #[clap(short, long, default_value_t = 100)]
+        timeout: u64
+
+    },
+    /// discover hosts in your network
+    Discover {
+
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+//// STRUCTS ///////////////////////////////////////////////////////////////////////////////////////
+
+//// IMPLEMENTATION ////////////////////////////////////////////////////////////////////////////////
+
+//// PUBLIC FUNCTIONS //////////////////////////////////////////////////////////////////////////////
+
+//// PRIVATE FUNCTIONS /////////////////////////////////////////////////////////////////////////////
+/// custom value parser, only allow 0 to 100
+fn max100(s: &str) -> Result<u8, String> {
+    number_range(s, 0, 100)
+}
+
diff --git a/oopsc/src/main.rs b/oopsc/src/main.rs
new file mode 100644
index 0000000..8ded479
--- /dev/null
+++ b/oopsc/src/main.rs
@@ -0,0 +1,40 @@
+use std::io::BufReader;
+
+use clap::Parser;
+
+mod cli;
+use clap_verbosity_flag::{LogLevel, InfoLevel};
+use cli::*;
+
+mod scanner;
+use scanner::scan;
+
+fn main() -> std::io::Result<()> {
+    let cli = Cli::parse();
+    match cli.command {
+        Commands::Scan => {
+            let mut buf: String = String::new();
+
+            if cli.stdin {
+                for line in std::io::stdin().lines() {
+                    match line {
+                        Ok(line) => buf = format!("{buf}\n{line}"),
+                        Err(err) => eprintln!("IO error while reading stdin: {err}")
+                    }
+                }
+            }
+            else if cli.files.len() >= 1 {
+                for file in cli.files {
+                    buf += &std::fs::read_to_string(file)?;
+                }
+            }
+
+            if cli.verbose {
+                println!("{text:=^80}\n{buf}\n{text:=^80}", text = "raw combined source");
+            }
+            let result = scan(&buf);
+            for i in result { println!("\"{i}\"\n")}
+        }
+    }
+    Ok(())
+}
diff --git a/oopsc/src/scanner/mod.rs b/oopsc/src/scanner/mod.rs
new file mode 100644
index 0000000..9cc86b2
--- /dev/null
+++ b/oopsc/src/scanner/mod.rs
@@ -0,0 +1,14 @@
+use nom::{
+  IResult,
+  bytes::complete::{tag},
+};
+
+fn comment(input: &str) -> IResult<&str, &str> {
+    tag("/*")(input)
+}
+
+pub fn scan(input: &str) -> Vec<&str> {
+    let foo = comment(input).unwrap().1;
+    println!("{foo}");
+    vec!["s"]
+}