#!/bin/sh

# This script will convert UR1 user sesame into UR1 user mail
# The first argument should be a file with a uid by line!

# Dependancies:
# ldapsearch (provide by ldap-utils on GNU/Linux)

UID_LIST="${1}"
MAIL_LIST="${UID_LIST}_mail"

# Test if the given file exists
if [ -f "${UID_LIST}" ]; then
  touch "${MAIL_LIST}"
else
  printf '%b' "The fist argument should be a file with one mail/line\n"
  exit 1
fi

index=0
while read uid; do
  index=$((index+1))
  mail=$(ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(uid='"${uid}"')' -b "dc=univ-rennes1,dc=fr" -x mail | grep "^mail" | cut -d" " -f2)

  #printf '%b' "${index}: ${mail} -> ${uid}\n"
  printf '%b' "${mail}\n" >> "${MAIL_LIST}"

done < "${UID_LIST}"

printf '%b' "Please see ${MAIL_LIST} file\n"

exit 0