Read environment variables from process

env.sh

process | {
  while IFS= read -r line
  do
    set -f
    array=(${line//:/ })
    export ${array[0]}=${array[1]}
  done
}

env.zsh

process | {
  while IFS= read -r line
  do
    set -f
    array=("${(@s/:/)line}")
    export $array[1]=$array[2]
    lastline="$line"
  done
}