Crate envset 

Functions

add_env_vars

delete_env_vars

format_env_file

parse_args

parse_env_content

parse_stdin

parse_stdin_with_reader

print_env_file_contents

print_env_keys_to_writer

print_env_vars

print_env_vars_as_json

print_keys_from_map

print_lines

print_parse_tree

read_env_file_contents

read_env_vars

update_env_file