prerm is in dhelp 0.6.20ubuntu1.
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 | #!/bin/sh -e
rm -rf /var/lib/dhelp
rm -rf /usr/doc/HTML /usr/share/doc/HTML
rm -f /var/lib/dhelp/configured
if [ \( "$1" = "upgrade" -o "$1" = "remove" \) \
-a -L /usr/doc/dhelp ]; then
rm -f /usr/doc/dhelp
fi
if [ \( "$1" = "upgrade" -o "$1" = "remove" \) \
-a -L /usr/doc/HTML ]; then
rm -f /usr/doc/HTML
fi
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