postrm is in pmw 1:4.29-2.
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.
1 2 3 4 5 6 7 8 9 10 11 12 | #!/bin/sh
set -e
case "$1" in
"remove")
if [ -x /usr/sbin/update-gsfontmap ]
then
update-gsfontmap
fi
;;
esac
|