- [ -z "$HOSTNAME" ] && export HOSTNAME=`hostname`
- [ -z "$USER" ] && export USER=`id -un`
- [[ $LOGNAME == LOGIN ]] && LOGNAME=$(id -un)
+ [ -z "$HOSTNAME" ] && export HOSTNAME=$(hostname)
+ # make sure /usr/bin/id is available
+ if [ -x /usr/bin/id ] ; then
+ [ -z "$USER" ] && export USER=$(/usr/bin/id -un)
+ [[ $LOGNAME == LOGIN ]] && LOGNAME=$(/usr/bin/id -un)
+ fi