how to setup path variable in mac code example

Example 1: update path variable mac

export PATH=$PATH:/new/dir/location1
export PATH=$PATH:/new/dir1:/dir2:/dir/path/no3

Example 2: adding this directory to PATH mac

sudo nano /etc/paths

https://www.architectryan.com/2012/10/02/add-to-the-path-on-mac-os-x-mountain-lion/