This file is indexed.

prerm is in zsh-static 4.3.17-1ubuntu1.

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

case "$1" in
    remove|deconfigure)
	update-alternatives --remove zsh-static /bin/zsh4-static
    ;;
    upgrade)
    ;;

    failed-upgrade)
    ;;

    *)
	echo "prerm called with unknown argument \`$1'" >&2
	exit 0
    ;;
esac