print function

[litlighilit]

not compile when nims:

use:

• static: writeFile for different filewill just overwrite file anytime
• (finished in d6c0a668) for file is stdout/None, (remember to escape before passing:
  • exec for echo -n
  • exec for echo | set /p= (cannot work in exec, I invoke powershell instead)

[litlighilit]

not support file param when js

[litlighilit]

• use Lock!