prerm is in pcp 3.10.8build1.
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 18 19 20 21 22 23 24 25 26 | #!/bin/sh -e
if which invoke-rc.d >/dev/null 2>&1; then
    invoke-rc.d pmproxy stop
    invoke-rc.d pmie stop
    if [ -f /etc/init.d/pmcd ]; then
	# PCP 4.0 style
	invoke-rc.d pmlogger stop
	invoke-rc.d pmcd stop
    else
	# PCP pre-4.0 style
	invoke-rc.d pcp stop
    fi
else
    /etc/init.d/pmproxy stop
    /etc/init.d/pmie stop
    if [ -f /etc/init.d/pmcd ]; then
	# PCP 4.0 style
	/etc/init.d/pmlogger stop
	/etc/init.d/pmcd stop
    else
	# PCP pre-4.0 style
	/etc/init.d/pcp stop
    fi
fi
rm -f /var/lib/pcp/pmns/.NeedRebuild
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