preinst is in libglobus-openssl-module-doc 4.6-3.
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 | #!/bin/sh
set -e
dpkg-maintscript-helper symlink_to_dir \
/usr/share/doc/libglobus-openssl-module-doc \
libglobus-openssl-module-dev 4.6-2~ \
libglobus-openssl-module-doc -- "$@"
|