prerm is in liblapack3 3.5.0-2ubuntu1.
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 | #!/bin/sh
set -e
if [ "$1" = "upgrade" ]
then
update-alternatives --display liblapack.so.3gf >/dev/null 2>&1 && update-alternatives --remove-all liblapack.so.3gf
fi
if [ "$1" != "upgrade" ]
then
update-alternatives --remove liblapack.so.3 /usr/lib/lapack/liblapack.so.3
fi
exit 0
|