Task

Show how to get one of your process's environment variables.

The available variables vary by system;   some of the common ones available on Unix include:

   PATH
   HOME
   USER


#import std
 
#executable ('parameterized','')
 
showenv = <.file$[contents: --<''>]>+ %smP+ ~&n-={'TERM','SHELL','X11BROWSER'}*~+ ~environs