This file is indexed.

prerm is in libgtk2.0-0-dbg 2.24.23-0ubuntu1.4.

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.

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#!/bin/sh

set -e

# remove /usr/share/doc directory as it was a symlink prior to 2.12.5-2
pkg=libgtk2.0-0-dbg
if [ "$1" = upgrade ] && [ ! -L /usr/share/doc/$pkg ] && [ -d /usr/share/doc/$pkg ]; then
    rm -rf /usr/share/doc/$pkg
fi