prerm is in jlha-utils 0.1.6-4.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | #! /bin/sh
# prerm script for jlha-utils
#
set -e
case "$1" in
    remove|upgrade|deconfigure)
        update-alternatives --quiet --remove lha /usr/bin/jlha
        update-alternatives --quiet --remove lzh-archiver /usr/bin/jlha
        ;;
    failed-upgrade)
        ;;
    *)
        echo "prerm called with unknown argument \$1'" >&2
        exit 0
    ;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
 |