diff --git a/.vscode/launch.json b/.vscode/launch.json
index 2af255e..c69b8fe 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -13,7 +13,7 @@
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
             "environment": [],
-            "console": "externalTerminal",
+            "externalConsole": false,
             "MIMode": "lldb"
         }, 
         {
diff --git a/Readme.md b/Readme.md
index 59c1133..825c5a1 100644
--- a/Readme.md
+++ b/Readme.md
@@ -5,9 +5,11 @@
 ### TODO
 - documentation
 - add url of source/inspiration to clib/*.cpp
-- add stdtest - to test every functionality 
+- add stdtest - to test every functionality
+- add -l option (no linenoise)
 - rename ivaluize
 - add instrumentation (time, nr of evals, num of atoms, debug info, debug environment etc)
+    - add -p (profile/performance option)
 - add debug support function call could keep call stack
 - add better print (coloring output)
 - multiline editting (kilo editor)
@@ -26,13 +28,13 @@
 - date support
   - decode-universal-time
 - env functions 
-  - get env
-  - set env
+  - get-env, set-env; set-env cannot be implemented in stdlib.lsp, because popen is in fact subshell
 - format (sprintf)
 - setq
 - mapcar (funcall, apply)
 - syntax highlighting do VS Code
 - add hash datatype
+- create pastebin like web using ml
 
 #### Performance
 - push_back - repeatedly without reserving size
@@ -48,7 +50,9 @@ cp stdlib/*.lsp /usr/local/var/mlisp/
 
 #### Compile
 ```
-gcc -o ml -I/usr/local/opt/openssl/include -Iclib -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl -Wl,-stack_size -Wl,0x1000000 --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/printf.cpp clib/linenoise.c
+gcc -std=c99 -c -O2 -o linenoise.o clib/linenoise.c
+c++ -c -O2  -I/usr/local/opt/openssl/include -Iclib --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/printf.cpp
+c++ -o ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl -Wl,-stack_size -Wl,0x1000000 *.o
 ```
 or
 cmake
@@ -60,6 +64,7 @@ time ./build/ml -c '(include "../example.lisp") (print (fact 1000))'
 ```
 
 ### Links
+https://markdowntohtml.com/
 https://hyperpolyglot.org/lisp
 https://www.tutorialspoint.com/lisp/index.htm
 https://github.com/adam-mcdaniel/wisp
diff --git a/tests/test.lsp b/tests/test.lsp
index bd770e0..19837f0 100644
--- a/tests/test.lsp
+++ b/tests/test.lsp
@@ -183,4 +183,7 @@
           (term-yellow (sprintf "%.2f" (list 1.11))) " "
     ))
 
+(print (get-env "HOME"))
+
+
 (print "Test ends")
\ No newline at end of file