Abreviate pwd

src/main.rs

@@ -1,22 +1,24 @@
 use std::env::current_dir as current_dir;
-//use std::env::var_os as var_os;
+use std::env::var_os as var_os;
 use std::env::args as args;
 use colored::Colorize;
 
 fn main() -> std::io::Result<()> {
     let angle = "❯";
     let pwd = current_dir()?;
-    let dir = pwd.display().to_string();
+    let mut dir = pwd.display().to_string();
     let args: Vec<String> = args().collect();
     let shell: String;
-
+    let user = var_os("USER").expect("noDir").to_str().expect("noDir").to_string();
+    let homedir = var_os("HOME").expect("noDir").to_str().expect("noDir").to_string();
+    
     if args.len() > 1 {
         shell = args[1].clone();
     }
     else {
         shell = "none".to_string();
     }
-
+    
     let shell_char = match shell.as_str() {
         "bash"      => "",
         "zsh"       => "󰰶",
@@ -25,20 +27,31 @@ fn main() -> std::io::Result<()> {
         "ion"       => "",
         _           => "󱆃",
     };
+    
+    dir = str::replace(&dir, &homedir, "~");    // Abreviate homedir with "~"
 
-    /*
-    match var_os(USER).as_str() {
-        "root"  => {
-            shell_char = shell_char.truecolor(255,53,94);
-        },
-        _       => {
-            shell_char = shell_char.truecolor(54,178,91);
+    let mut dir0 = dir.clone();
+    let slashes = dir.matches("/").count();
+    //println!("{}",slashes);
+
+    if slashes > 3 {
+       // let mut dir0 = dir;
+        let parts: Vec<&str> = dir.split("/").collect();
+        let len = parts.len() - 1;
+        let mut fch: String;
+
+        for p in &parts[0..len] {
+            let part = p;
+            fch = part.chars().next().expect("REASON").to_string();    //1st char of p
+            dir0 = str::replace(&dir0, part, &fch);
+            //println!("{}__{}__{}",p,fch,dir0);
         }
-    }*/
-
+    }
+    //dir = dir0;
+    
     print!("{} {}{} ",
                 shell_char.truecolor(75,75,75),
-                dir.italic().truecolor(75,75,75),
+                dir0.italic().truecolor(75,75,75),
                 angle.truecolor(0, 255, 180),
              );
     Ok(())