Added export command

src/lib.rs

@@ -73,6 +73,21 @@ pub mod shell {
         }
     }
 
+    fn export_var(command: String) -> Result<CmdOutput, CmdOutput> {
+        let cmd_split = command.split('=').collect::<Vec<&str>>();
+        if cmd_split.len() < 2 {
+            return Err(CmdOutput::from_values(
+                    String::from("Please a format such as : VAR=value"),
+                    255));
+        }
+        let key = String::from(cmd_split[0].to_uppercase());
+        let val = String::from(cmd_split[1]);
+        let mut map = HashMap::new();
+        map.insert(key, val);
+        set_envvars(&map);
+        return Ok(CmdOutput::new_empty());
+    }
+
     fn change_dir(args: &Vec<String>, previous_command: &mut Option<Stdio>) -> Result<CmdOutput, CmdOutput> {
         let homedir = dirs::home_dir().unwrap().into_os_string().into_string().unwrap();
         //let new_dir = args.peekable().peek().map_or(homedir.as_str(), |x| *x);
@@ -142,6 +157,10 @@ pub mod shell {
                     let next = commands.peek().is_some();
                     print_hist(&mut previous_command, next)?;
                 },
+                "export" => {
+                    export_var(args.join(" "))?;
+                    print!("\r\n");
+                },
                 command => {
                     if commands.peek().is_some() {
                         let stdin  = match previous_command {
@@ -643,8 +662,8 @@ pub mod shell {
     }
 
     //I smell horrible code in here
-    fn set_envvars(conf: &SqishConf) {
-        let vars = conf.env.clone();
+    fn set_envvars(vars: &HashMap<String, String>) {
+        let vars = vars.clone();
         let re = Regex::new(r"\$[A-Za-z_]+").unwrap();
 
         for (key, value) in vars {
@@ -696,7 +715,7 @@ pub mod shell {
         //Initializing
         write!(elems.stdout, "\r\n ---Sqish initializing--- \r\n{}", elems.conf.promptline);
         elems.stdout.flush();
-        set_envvars(&elems.conf);
+        set_envvars(&elems.conf.env);
 
         if elems.conf.init != String::from("") {
             run_cmd(&mut String::from(&elems.conf.init), &mut elems.current_number, &mut elems.conf, &mut elems.stdout);