diff --git a/.gitignore b/.gitignore
index ad67955..0728338 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,8 @@ target
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+
+# Added by cargo
+
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..7894b73
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,334 @@
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+# It is not intended for manual editing.
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+ "anstyle-wincon",
+ "colorchoice",
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..56d2fc5
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "folder_tag_fix"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4.5.46", features = ["derive"] }
+colored = "3.0.0"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..5434b4e
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,127 @@
+use std::{fs::{read_dir, read_to_string, File}, path::PathBuf};
+use std::collections::HashMap;
+use std::io::Write;
+use std::process::exit;
+use clap::Parser;
+use colored::Colorize;
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = "Add tags to all of the files in an obsidian folder.")]
+struct Args{
+    #[arg(short, long)]
+    folder: PathBuf,
+
+    #[arg(short,long, help="tags to add, comma separated")]
+    tags: String,
+}
+
+fn add_tag(file: &PathBuf, given_tags: &Vec<String>){
+    let mut tag_vec = given_tags.clone();
+    for tag in &mut tag_vec{
+        *tag = format!("  - {}", tag);
+    }
+    let mut properties = HashMap::new();
+    let mut tags = tag_vec.join("\n");
+    let mut has_properties = false;
+    properties.insert(String::from("tags"), tags);
+    let read_res = read_to_string(file);
+    let mut body = String::new();
+    if read_res.is_err(){
+        println!("{}", "error reading file!".red());
+        println!("{}", read_res.err().unwrap().to_string().red());
+        return;
+    }
+    let orig_content = read_res.unwrap();
+    if !orig_content.contains("---") || orig_content.split("---").collect::<Vec<&str>>().len() < 3{
+        body = orig_content;
+    }
+    else{
+        let orig_vec: Vec<&str> = orig_content.split("---").collect();
+        let orig_properties = orig_vec[1];
+        body = orig_vec[2].to_string();
+        if orig_properties.contains("tags: "){
+            let tag_secion = orig_content.split("tags: ").collect::<Vec<&str>>()[1];
+            let tag_filter = tag_secion.split(":").collect::<Vec<&str>>()[0];
+            let mut orig_tags = String::new();
+            for line in tag_filter.lines(){
+                if line.contains("-"){
+                    let tag = format!("{}\n", line);
+                    orig_tags.push_str(line);
+                }
+            }
+            orig_tags.pop();
+            let mut complete_tags = properties["tags"].clone();
+            complete_tags.push('\n');
+            complete_tags.push_str(&orig_tags);
+            properties.insert("tags".to_string(), complete_tags);
+        }
+        for line in orig_properties.lines(){
+            if line.contains(":"){
+                if !line.contains("tags: "){
+                    let line_vec: Vec<&str> = line.split(":").collect();
+                    if line_vec.len() > 1{
+                        properties.insert(line_vec[0].trim().to_string(), line_vec[1].trim().to_string());
+                    }
+                    else{
+                        properties.insert(line_vec[0].trim().to_string(), String::new());
+                    }
+                }
+            }
+        }
+    }
+    let mut new_content = String::from("---\ntags: \n");
+    new_content.push_str(&properties["tags"]);
+    for property in properties.keys(){
+        if !property.contains("tags"){
+            new_content.push('\n');
+            let formatted_line = format!("{}: {}", property, properties[property]);
+            new_content.push_str(&formatted_line);
+        }
+    }
+    new_content.push_str("\n---");
+    new_content.push('\n');
+    new_content.push_str(&body);
+    let overwrite_res = File::create(file);
+    if overwrite_res.is_err(){
+        println!("{}", "error overwriting file!".red());
+        println!("{}", overwrite_res.err().unwrap().to_string().red());
+    }
+    else{
+        let mut save_file = overwrite_res.unwrap();
+        let write_res = write!(save_file, "{}", new_content);
+        if write_res.is_err(){
+            println!("{}", "error writing file!");
+            println!("{}", write_res.err().unwrap().to_string().red());
+        }
+        else{
+            write_res.unwrap();
+            let successline = format!("tags: {} successfuly written to {}", properties["tags"], file.display());
+            println!("{}", successline.green());
+        }
+    }
+}
+
+fn main() {
+    let args = Args::parse();
+    let file_list_res = read_dir(args.folder);
+    if file_list_res.is_err(){
+        println!("{}", "error listing given folder!".red());
+        println!("{}", file_list_res.err().unwrap().to_string().red());
+        exit(1);
+    }
+    let file_list = file_list_res.unwrap();
+    let given_tags: Vec<&str> = args.tags.split(",").collect();
+    let mut tags = Vec::new();
+    for tag in given_tags{
+        tags.push(tag.to_string());
+    }
+    for entry in file_list{
+        if entry.is_ok(){
+            let path = entry.unwrap().path();
+            let path_string = path.display().to_string();
+            if path_string.contains(".md"){
+                add_tag(&path, &tags);
+            }
+        }
+    }
+}