export_envchain_values.sh

#!/bin/bash

export_envchain() {
  env_name=$1
  before=$(env | wc -l)
  after=$(envchain $env_name env | wc -l)
  diff=$((after - before))
  list=$(envchain $env_name env | tail -$diff)
  env_keys=$(echo "$list" | awk -F '=' '{ print $1 }' | xargs echo)

  echo ""
  echo "=== envchain $env_name ==="
  echo "$ envchain --set $env_name $env_keys"
  echo ""
  echo "$list"
}

for envname in $(envchain --list); do
  export_envchain $envname
done