This file is indexed.

prerm is in rxvt 1:2.7.10-6.

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
#!/bin/sh
set -e

if [ "$1" = "remove" ]; then
  update-alternatives --remove x-terminal-emulator /usr/bin/rxvt-xterm
  update-alternatives --remove x-terminal-emulator /usr/bin/rxvt-xpm

  update-alternatives --remove rxvt /usr/bin/rxvt-xterm
  update-alternatives --remove rxvt /usr/bin/rxvt-xpm
fi