#!/bin/sh _varname='G4PARTICLEXSDATA' _remove() { ## from the time where this variables where stored in this one script sed -n -i "/${_varname}/d" /etc/profile.d/geant4.sh 2>/dev/null sed -n -i "/${_varname}/d" /etc/profile.d/geant4.csh 2>/dev/null } pre_install() { _remove } pre_upgrade() { _remove } pre_remove() { _remove } post_remove() { _remove }