The new functions
hcl:open-temp-file
and
hcl:create-temp-file
allow you to create a temporary file which is guaranteed to be new.
The undocumented function
sys:make-temp-file
still exists as in previous LispWorks versions, but is now deprecated. If you use it, please change to
hcl:open-temp-file
or
hcl:create-temp-file
.
The new function
sys:set-temp-directory
allows you to set the default directory used for temp files.
LispWorks Release Notes and Installation Guide - 23 Dec 2011