changeUid.sh

#!/bin/bash

if [[ $EUID -ne 0 ]]; then
   echo "grouperContainer; ERROR: (changeUid.sh) This script must be run as root" 
   exit 1
fi
if [ "$#" -ne 2 ]; then
  echo "grouperContainer; ERROR: (changeUid.sh) You must enter exactly 2 command line arguments: username, and uid to change to"
  exit 1
fi
username=$1
newUid=$2
oldUid="$(id -u "$username")"
usermod -u "$newUid" "$username"
returnCode=$?
echo "grouperContainer; INFO: (changeUid.sh) usermod -u \"$newUid\" \"$username\" , result: $returnCode"
if [ $returnCode != 0 ]; then exit $returnCode; fi

find / -xdev -user "$oldUid" -exec chown -h "$username" {} \;
returnCode=$?
echo "grouperContainer; INFO: (changeUid.sh) find / -xdev -user \"$oldUid\" -exec chown -h \"$username\" {} \; , result: $returnCode"
if [ $returnCode != 0 ]; then exit $returnCode; fi