zsh add to path

1# append
2path+=('/home/david/pear/bin')
3# or prepend
4path=('/home/david/pear/bin' $path)

1# append
2path+=('/home/kevin/pear/bin')
3# or prepend
4path=('/home/kevin/pear/bin' $path)
5# export to sub-processes (make it inherited by child processes)
6export PATH
7