diff --git a/src/commands/add.rs b/src/commands/add.rs
index 3cb4dd2..eab7813 100644
--- a/src/commands/add.rs
+++ b/src/commands/add.rs
@@ -1,7 +1,8 @@
-use std::io::Write;
+use std::io::{self, Write, BufRead};
 use std::fs::OpenOptions;
 use std::path::{Path, PathBuf};
 use clap::Values;
+use glob::glob;
 use crate::store::index;
 use crate::store::{self, object::Object};
 use crate::utils;
@@ -17,7 +18,6 @@ pub struct AddArgs<'a> {
 }
 
 // todo match deleted files
-// todo match weird reg expression
 pub fn add(args: AddArgs) {
     // write all modification in the index
     if args.all {
@@ -25,18 +25,12 @@ pub fn add(args: AddArgs) {
         return;
     }
 
-    let mut index_file = store::index::open();
     let mut added_files: Vec<String> = vec![];
-
-    let rules = match nextsyncignore::read_lines() {
-        Ok(r) => r,
-        Err(_) => vec![],
-    };
-
     let mut ignored_f = vec![];
+    let rules = nextsyncignore::get_rules();
+
     let file_vec: Vec<&str> = args.files.unwrap().collect();
     for file in file_vec {
-        
         let f = match normalize_relative(file) {
             Ok(f) => f,
             Err(err) => {
@@ -45,12 +39,12 @@ pub fn add(args: AddArgs) {
             }
         };
 
+        // check if the file must be ignored
         if !args.force && ignore_file(&f, rules.clone(), &mut ignored_f) {
             continue;
         }
 
         let path = repo_root().join(Path::new(&f));
-
         match path.exists() {
             true => {
                 if path.is_dir() {
@@ -60,26 +54,43 @@ pub fn add(args: AddArgs) {
             },
             false => {
                 if Object::new(path.to_str().unwrap()).exists() {
+                    // object is deleted so not a present file but can still be added
                     added_files.push(String::from(f));
                 } else {
-                    // todo applies regex
-                    eprintln!("err: {} is not something you can add.", path.to_str().unwrap());
+                    for entry in try_globbing(path) {
+                        if !args.force && ignore_file(&path_buf_to_string(entry.clone()), rules.clone(), &mut ignored_f) {
+                            continue;
+                        }
+                        if entry.is_dir() {
+                            add_folder_content(entry.to_path_buf(), &mut added_files);
+                        }
+                        added_files.push(path_buf_to_string(entry.strip_prefix(repo_root()).unwrap().to_path_buf()));
+                    }
                 }
             }
         }
     } 
 
-    if ignored_f.len() > 0 {
+    print_ignored_files(ignored_f);
+    write_added_files(added_files);
+}
+
+fn print_ignored_files(ignored_files: Vec<String>) {
+    if ignored_files.len() > 0 {
         // todo multiple nextsyncignore
         println!("The following paths are ignored by your .nextsyncignore file:");
-        for file in ignored_f {
+        for file in ignored_files {
             println!("{}", file);
         }
     }
+}
 
-    // save all added_files in index
-    // todo avoid duplication
+fn write_added_files(added_files: Vec<String>) {
+    let mut index_file = store::index::open();
     for file in added_files {
+        if store::index::alread_added(file.clone()) {
+            continue;
+        }
         match writeln!(index_file, "{}", file) {
             Ok(()) => (),
             Err(err) => eprintln!("{}", err),
@@ -88,6 +99,23 @@ pub fn add(args: AddArgs) {
     drop(index_file);
 }
 
+fn try_globbing(path: PathBuf) -> Vec<PathBuf> {
+    let mut paths: Vec<PathBuf> = vec![];
+    if let Ok(entries) = glob(path.to_str().unwrap()) {
+        for entry in entries {
+            match entry {
+                Ok(ppath) => paths.push(ppath),
+                Err(e) => {
+                    eprintln!("err: {} incorrect pattern ({})", path.display(), e);
+                }
+            }
+        }
+    } else {
+        eprintln!("err: {} is not something you can add.", path.to_str().unwrap());
+    }
+    return paths;
+}
+
 fn add_folder_content(path: PathBuf, added_files: &mut Vec<String>) {
     // todo check for changes
     let mut folders: Vec<PathBuf> = vec![];
diff --git a/src/store.rs b/src/store.rs
index 551c27c..3a434fd 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -1,3 +1,4 @@
 pub mod index;
 pub mod head;
 pub mod object;
+pub mod gconfig;
diff --git a/src/store/index.rs b/src/store/index.rs
index 2af4d2b..49ef654 100644
--- a/src/store/index.rs
+++ b/src/store/index.rs
@@ -32,3 +32,16 @@ pub fn rm_line(line: &str) -> io::Result<()> {
     read::rm_line(root, line)?;
     Ok(())
 }
+
+pub fn alread_added(file: String) -> bool {
+    if let Ok(lines) = read_line() {
+        for line in lines {
+            if let Ok(l) = line {
+                if l == file {
+                    return true;
+                }
+            }
+        }
+    }
+    return false;
+}
diff --git a/src/store/object/blob.rs b/src/store/object/blob.rs
index a432248..6959375 100644
--- a/src/store/object/blob.rs
+++ b/src/store/object/blob.rs
@@ -27,6 +27,9 @@ pub struct Blob {
 impl Blob {
     pub fn new<S>(r_path: S) -> Blob where S: IntoPathBuf {
         let r_path = r_path.into();
+        if r_path.is_dir() {
+            eprintln!("{}: is a directory not a blob", r_path.display());
+        }
         let mut hasher = Sha1::new();
         hasher.input_str(r_path.to_str().unwrap());
         let hash = hasher.result_str();
diff --git a/src/utils/nextsyncignore.rs b/src/utils/nextsyncignore.rs
index 256d075..1592c22 100644
--- a/src/utils/nextsyncignore.rs
+++ b/src/utils/nextsyncignore.rs
@@ -23,6 +23,13 @@ pub fn read_lines() -> Result<Vec<String>, ()> {
     Ok(vec![])
 }
 
+pub fn get_rules() -> Vec<String> {
+    match read_lines() {
+        Ok(r) => r,
+        Err(_) => vec![],
+    }
+}
+
 pub fn _ignore_files(files: &mut Vec<String>) -> (bool, Vec<String>) {
     let mut ignored_f = vec![];
     if let Ok(lines) = read_lines() {
@@ -80,6 +87,7 @@ pub fn ignore_file(path: &String, lines: Vec<String>, ignored_f: &mut Vec<String
 #[cfg(test)]
 mod tests {
     use super::*;
+    use std::io::Cursor;
 
     #[test]
     fn test_ignore_files() {