shell script loop pipe while read

create_user.sh

#!/bin/bash
set -eu

users() {
# user password
  cat << EOF
foo foofoo
bar barbar
baz bazbaz
EOF
}

create_user() {
  while read user pw line
  do
    echo "create user ${user}"

    useradd -g devel ${user}
    echo "umask 002" >> /home/${user}/.bashrc
    echo ${pw} | passwd --stdin ${user}

  done
}

users | create_user