This file is indexed.

postinst is in gnuplot-x11 4.6.4-2.

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 $1 in
    configure|abort-upgrade|abort-remove|abort-deconfigure)
	# Do not use dh_installtex to help squeeze backports and avoid (light)
	# tex-common dependency. See #600013: tex-common:
	# dpkg-reconfigure doesn't work on packages calling update-texmf-config
	if [ "$DPKG_RUNNING_VERSION" ]; then
	    # If run under dpkg control call update-texmf-config, which
	    # will enable appropriate triggers
	    if which update-texmf-config 2>&1 > /dev/null; then
		update-texmf-config lsr
	    fi
	else
	    # Otherwise (e.g. on reconfigure) rebuild ls-R directly.
	    if which mktexlsr 2>&1 > /dev/null; then
		mktexlsr /usr/share/texmf
	    fi
	fi
	;;
    *)
esac

# Automatically added by dh_installmenu
if [ "$1" = "configure" ] && [ -x "`which update-menus 2>/dev/null`" ]; then
	update-menus
fi
# End automatically added section