diff --git a/Cargo.toml b/Cargo.toml
index 1cfb325..9ba74f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,3 +18,4 @@ include = [
 ]
 
 [dependencies]
+regex = "1"
diff --git a/rusty-tags.vi b/rusty-tags.vi
new file mode 100644
index 0000000..eaac351
--- /dev/null
+++ b/rusty-tags.vi
@@ -0,0 +1,62 @@
+!_TAG_FILE_FORMAT	2	/extended format; --format=1 will not append ;" to lines/
+!_TAG_FILE_SORTED	1	/0=unsorted, 1=sorted, 2=foldcase/
+!_TAG_PROGRAM_AUTHOR	Darren Hiebert	/dhiebert@users.sourceforge.net/
+!_TAG_PROGRAM_NAME	Exuberant Ctags	//
+!_TAG_PROGRAM_URL	http://ctags.sourceforge.net	/official site/
+!_TAG_PROGRAM_VERSION	5.9~svn20110310	//
+CopyOptions	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub struct CopyOptions {$/;"	s
+CopyOptions	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub struct CopyOptions {$/;"	s
+DirContent	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub struct DirContent {$/;"	s
+DirEntryAttr	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub enum DirEntryAttr {$/;"	g
+DirEntryValue	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub enum DirEntryValue {$/;"	g
+DirOptions	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub struct DirOptions {$/;"	s
+Error	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^pub struct Error {$/;"	s
+ErrorKind	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^pub enum ErrorKind {$/;"	g
+LsResult	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub struct LsResult {$/;"	s
+Result	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^pub type Result<T> = ::std::result::Result<T, Error>;$/;"	T
+TransitProcess	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub struct TransitProcess {$/;"	s
+TransitProcess	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub struct TransitProcess {$/;"	s
+TransitProcess	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^pub struct TransitProcess {$/;"	s
+TransitProcessResult	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub enum TransitProcessResult {$/;"	g
+TransitState	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub enum TransitState {$/;"	g
+_get_dir_content	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^fn _get_dir_content<P>(path: P, mut depth: u64) -> Result<DirContent>$/;"	f
+as_str	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^    fn as_str(&self) -> &str {$/;"	f
+clone	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^    fn clone(&self) -> TransitProcess {$/;"	f
+clone	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^    fn clone(&self) -> TransitProcess {$/;"	f
+copy	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn copy<P, Q>(from: P, to: Q, options: &CopyOptions) -> Result<u64>$/;"	f
+copy	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub fn copy<P, Q>(from: P, to: Q, options: &CopyOptions) -> Result<u64>$/;"	f
+copy_items	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^pub fn copy_items<P, Q>(from: &[P], to: Q, options: &dir::CopyOptions) -> Result<u64>$/;"	f
+copy_items_with_progress	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^pub fn copy_items_with_progress<P, Q, F>($/;"	f
+copy_with_progress	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn copy_with_progress<P, Q, F>($/;"	f
+copy_with_progress	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub fn copy_with_progress<P, Q, F>($/;"	f
+create	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn create<P>(path: P, erase: bool) -> Result<()>$/;"	f
+create_all	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn create_all<P>(path: P, erase: bool) -> Result<()>$/;"	f
+default	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^    fn default() -> Self {$/;"	f
+default	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^    fn default() -> Self {$/;"	f
+description	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^    fn description(&self) -> &str {$/;"	f
+err	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^macro_rules! err {$/;"	d
+fmt	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {$/;"	f
+from	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^    fn from(err: IoError) -> Error {$/;"	f
+from	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^    fn from(err: OsString) -> Error {$/;"	f
+from	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^    fn from(err: StripPrefixError) -> Error {$/;"	f
+get_details_entry	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn get_details_entry<P>($/;"	f
+get_details_entry_with_meta	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^fn get_details_entry_with_meta<P>($/;"	f
+get_dir_content	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn get_dir_content<P>(path: P) -> Result<DirContent>$/;"	f
+get_dir_content2	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn get_dir_content2<P>(path: P, options: &DirOptions) -> Result<DirContent>$/;"	f
+get_size	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn get_size<P>(path: P) -> Result<u64>$/;"	f
+ls	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn ls<P>(path: P, config: &HashSet<DirEntryAttr>) -> Result<LsResult>$/;"	f
+move_dir	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn move_dir<P, Q>(from: P, to: Q, options: &CopyOptions) -> Result<u64>$/;"	f
+move_dir_with_progress	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn move_dir_with_progress<P, Q, F>($/;"	f
+move_file	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub fn move_file<P, Q>(from: P, to: Q, options: &CopyOptions) -> Result<u64>$/;"	f
+move_file_with_progress	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub fn move_file_with_progress<P, Q, F>($/;"	f
+move_items	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^pub fn move_items<P, Q>(from_items: &[P], to: Q, options: &dir::CopyOptions) -> Result<u64>$/;"	f
+move_items_with_progress	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^pub fn move_items_with_progress<P, Q, F>($/;"	f
+new	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^    pub fn new() -> CopyOptions {$/;"	f
+new	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^    pub fn new() -> DirOptions {$/;"	f
+new	/home/artie/Documents/Repos/smallB_fs_extra/src/error.rs	/^    pub fn new(kind: ErrorKind, message: &str) -> Error {$/;"	f
+new	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^    pub fn new() -> CopyOptions {$/;"	f
+read_to_string	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub fn read_to_string<P>(path: P) -> Result<String>$/;"	f
+remove	/home/artie/Documents/Repos/smallB_fs_extra/src/dir.rs	/^pub fn remove<P: AsRef<Path>>(path: P) -> Result<()> {$/;"	f
+remove	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub fn remove<P>(path: P) -> Result<()>$/;"	f
+remove_items	/home/artie/Documents/Repos/smallB_fs_extra/src/lib.rs	/^pub fn remove_items<P>(from_items: &[P]) -> Result<()>$/;"	f
+write_all	/home/artie/Documents/Repos/smallB_fs_extra/src/file.rs	/^pub fn write_all<P>(path: P, content: &str) -> Result<()>$/;"	f
diff --git a/src/dir.rs b/src/dir.rs
index 9024c52..864c1c7 100644
--- a/src/dir.rs
+++ b/src/dir.rs
@@ -11,6 +11,8 @@ pub struct CopyOptions {
     pub overwrite: bool,
     /// Skip existing files if true (default: false).
     pub skip_exist: bool,
+    /// If set to true will append new file content to the old one
+    pub append: bool,
     /// Buffer size that specifies the amount of bytes to be moved or copied before the progress handler is called. This only affects functions with progress handlers. (default: 64000)
     pub buffer_size: usize,
     /// Recursively copy a directory with a new name or place it inside the destination (default: false, same behaviors as cp -r on Unix)
@@ -39,6 +41,7 @@ impl CopyOptions {
         CopyOptions {
             overwrite: false,
             skip_exist: false,
+            append: false,
             buffer_size: 64000, // 64kb
             copy_inside: false,
             content_only: false,
@@ -582,6 +585,7 @@ where
             overwrite: options.overwrite,
             skip_exist: options.skip_exist,
             buffer_size: options.buffer_size,
+            append: options.append,
         };
         let mut result_copy: Result<u64>;
         let mut work = true;
@@ -793,6 +797,7 @@ where
 ///
 /// ```
 pub fn copy_with_progress<P, Q, F>(
+    selected_mask:&String,
     from: P,
     to: Q,
     options: &CopyOptions,
@@ -864,7 +869,15 @@ where
     };
 
     let mut options = options.clone();
+    let rg  = regex::RegexSet::new(&selected_mask.split_ascii_whitespace().collect::<Vec::<_>>());//++artie
+    let rg_ok = rg.is_ok();
     for file in dir_content.files {
+        /*++artie */
+        if rg_ok && !rg.as_ref().unwrap().is_match(&file)
+        {
+            continue;
+        }
+        //--artie
         let mut to = to.to_path_buf();
         let tp = Path::new(&file).strip_prefix(from)?;
         let path = to.join(&tp);
@@ -880,6 +893,7 @@ where
             overwrite: options.overwrite,
             skip_exist: options.skip_exist,
             buffer_size: options.buffer_size,
+            append: options.append,
         };
 
         if let Some(file_name) = file_name.to_str() {
@@ -896,11 +910,12 @@ where
         let copied_bytes = result;
         while work {
             {
-                let _progress_handler = |info: super::file::TransitProcess| {
-                    info_process.copied_bytes = copied_bytes + info.copied_bytes;
-                    info_process.file_bytes_copied = info.copied_bytes;
-                    progress_handler(info_process.clone());
-                };
+                let _progress_handler =
+                    |info: super::file::TransitProcess| -> TransitProcessResult {
+                        info_process.copied_bytes = copied_bytes + info.copied_bytes;
+                        info_process.file_bytes_copied = info.copied_bytes;
+                        progress_handler(info_process.clone())
+                    };
 
                 result_copy =
                     super::file::copy_with_progress(&file, &path, &file_options, _progress_handler);
@@ -1075,6 +1090,7 @@ where
             overwrite: options.overwrite,
             skip_exist: options.skip_exist,
             buffer_size: options.buffer_size,
+            append: options.append,
         };
 
         let mut result_copy: Result<u64>;
@@ -1217,6 +1233,7 @@ where
             overwrite: options.overwrite,
             skip_exist: options.skip_exist,
             buffer_size: options.buffer_size,
+            append: options.append,
         };
 
         if let Some(file_name) = file_name.to_str() {
@@ -1233,11 +1250,12 @@ where
         let copied_bytes = result;
         while work {
             {
-                let _progress_handler = |info: super::file::TransitProcess| {
-                    info_process.copied_bytes = copied_bytes + info.copied_bytes;
-                    info_process.file_bytes_copied = info.copied_bytes;
-                    progress_handler(info_process.clone());
-                };
+                let _progress_handler =
+                    |info: super::file::TransitProcess| -> TransitProcessResult {
+                        info_process.copied_bytes = copied_bytes + info.copied_bytes;
+                        info_process.file_bytes_copied = info.copied_bytes;
+                        progress_handler(info_process.clone())
+                    };
 
                 result_copy = super::file::move_file_with_progress(
                     &file,
@@ -1300,7 +1318,8 @@ where
                                 file_options.skip_exist = true;
                             }
                             TransitProcessResult::SkipAll => {
-                                file_options.skip_exist = true;
+                                is_remove = false;
+ 				file_options.skip_exist = true;
                                 options.skip_exist = true;
                             }
                             TransitProcessResult::Retry => {}
diff --git a/src/file.rs b/src/file.rs
index f9a384b..310d350 100644
--- a/src/file.rs
+++ b/src/file.rs
@@ -10,6 +10,8 @@ pub struct CopyOptions {
     pub overwrite: bool,
     /// Sets the option true for skip existing files.
     pub skip_exist: bool,
+    /// If set to true appends content of new file to the old one
+    pub append: bool,
     /// Sets buffer size for copy/move work only with receipt information about process work.
     pub buffer_size: usize,
 }
@@ -29,6 +31,7 @@ impl CopyOptions {
         CopyOptions {
             overwrite: false,
             skip_exist: false,
+            append: false,
             buffer_size: 64000, //64kb
         }
     }
@@ -143,7 +146,7 @@ pub fn copy_with_progress<P, Q, F>(
 where
     P: AsRef<Path>,
     Q: AsRef<Path>,
-    F: FnMut(TransitProcess),
+    F: FnMut(TransitProcess) -> crate::dir::TransitProcessResult,
 {
     let from = from.as_ref();
     if !from.exists() {
@@ -180,7 +183,11 @@ where
     let file_size = file_from.metadata()?.len();
     let mut copied_bytes: u64 = 0;
 
-    let mut file_to = File::create(to)?;
+    let mut file_to = std::fs::OpenOptions::new()
+        .write(true)
+        .create(true)
+        .append(options.append)
+        .open(to)?;
     while !buf.is_empty() {
         match file_from.read(&mut buf) {
             Ok(0) => break,
@@ -194,7 +201,13 @@ where
                     copied_bytes,
                     total_bytes: file_size,
                 };
-                progress_handler(data);
+                let progres_result = progress_handler(data);
+                if progres_result as usize == crate::dir::TransitProcessResult::Abort as usize {
+                    return Err(super::error::Error::new(
+                        super::error::ErrorKind::Interrupted,
+                        "Aborted by user",
+                    ));
+                }
             }
             Err(ref e) if e.kind() == ::std::io::ErrorKind::Interrupted => {}
             Err(e) => return Err(::std::convert::From::from(e)),
@@ -275,7 +288,7 @@ pub fn move_file_with_progress<P, Q, F>(
 where
     P: AsRef<Path>,
     Q: AsRef<Path>,
-    F: FnMut(TransitProcess),
+    F: FnMut(TransitProcess) -> crate::dir::TransitProcessResult,
 {
     let mut is_remove = true;
     if options.skip_exist && to.as_ref().exists() && !options.overwrite {
diff --git a/src/lib.rs b/src/lib.rs
index 118643a..b0fff86 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -287,6 +287,7 @@ impl Clone for TransitProcess {
 /// ```
 ///
 pub fn copy_items_with_progress<P, Q, F>(
+    selected_mask:&String,//++artie
     from: &[P],
     to: Q,
     options: &dir::CopyOptions,
@@ -348,12 +349,13 @@ where
                 }
                 result
             };
-            result += dir::copy_with_progress(item, &to, &dir_options, handler)?;
+            result += dir::copy_with_progress(selected_mask/*++artie */,item, &to, &dir_options, handler)?;
         } else {
             let mut file_options = file::CopyOptions {
                 overwrite: options.overwrite,
                 skip_exist: options.skip_exist,
                 buffer_size: options.buffer_size,
+                append: options.append,
             };
 
             if let Some(file_name) = item.file_name() {
@@ -376,10 +378,10 @@ where
             let mut result_copy: Result<u64>;
             while work {
                 {
-                    let handler = |info: file::TransitProcess| {
+                    let handler = |info: file::TransitProcess| -> dir::TransitProcessResult {
                         info_process.copied_bytes = copied_bytes + info.copied_bytes;
                         info_process.file_bytes_copied = info.copied_bytes;
-                        progress_handler(info_process.clone());
+                        progress_handler(info_process.clone())
                     };
                     result_copy =
                         file::copy_with_progress(item, &file_name, &file_options, handler);
@@ -541,6 +543,7 @@ where
                 overwrite: options.overwrite,
                 skip_exist: options.skip_exist,
                 buffer_size: options.buffer_size,
+                append: options.append,
             };
 
             if let Some(file_name) = item.file_name() {
@@ -666,6 +669,7 @@ where
                 overwrite: options.overwrite,
                 skip_exist: options.skip_exist,
                 buffer_size: options.buffer_size,
+                append: options.append,
             };
 
             if let Some(file_name) = item.file_name() {
@@ -688,10 +692,10 @@ where
             let mut result_copy: Result<u64>;
             while work {
                 {
-                    let handler = |info: file::TransitProcess| {
+                    let handler = |info: file::TransitProcess| -> dir::TransitProcessResult {
                         info_process.copied_bytes = copied_bytes + info.copied_bytes;
                         info_process.file_bytes_copied = info.copied_bytes;
-                        progress_handler(info_process.clone());
+                        progress_handler(info_process.clone())
                     };
                     result_copy =
                         file::move_file_with_progress(item, &file_name, &file_options, handler);