&version 2
&trace off
&if [exists segment install_lister.io] &then dl install_lister.io
us in install_lister
&print Beginning Installation of lister changes.
&if [exists segment >unb>bound_lister_]
&then us rp bound_lister_ >unb>== -ss
&else us add bound_lister_ >unb>== -ss
&if [exists segment >ldd>unbundled>o>bound_lister_.archive]
&then us rp bound_lister_.archive >ldd>unbundled>o>== -ac
&else us add bound_lister_.archive >ldd>unbundled>o>== -ac
&if [exists segment >ldd>unbundled>s>bound_lister_.s.archive]
&then us rp bound_lister_.s.archive >ldd>unbundled>s>== -ac
&else us add bound_lister_.s.archive >ldd>unbundled>s>== -ac
&if [query "Should installation of lister be completed?  Type yes if no error messages."] &then &else &goto QUIT
us install install_lister
&print MR12.4 lister is now installed.
&label QUIT
&quit
