aaa_base.pre

#!/bin/bash
#
# Run this script in C-Locale, or some tools will fail.
export LC_ALL=C

#
# we have several local files, that changed over the time.  Check the
# existing one, if they contain real data.  If not, delete them.
#
for LOCALFILE in /root/bin/cron.daily.local \
		/etc/init.d/boot.local \
		/etc/init.d/after.local \
		/etc/init.d/before.local \
		/etc/init.d/halt.local \
		/usr/sbin/usradd.local \
		/usr/sbin/usrdel.local \
		/usr/sbin/userdel.local ; do
    test -f $LOCALFILE || continue
    LOCALFILE_CONTAINS_DATA=false
    while read LINE ; do
        case "$LINE" in
          "#"*)
          ;;
          "echo "*">"*)
            LOCALFILE_CONTAINS_DATA=true
          ;;
          "echo "*)
          ;;
          ". /etc/rc.config")
          ;;
          "exit "*)
          ;;
          "")
          ;;
          *)
            LOCALFILE_CONTAINS_DATA=true
          ;;
        esac
    done < $LOCALFILE
    test "$LOCALFILE_CONTAINS_DATA" = false && rm -f $LOCALFILE
done