This is the twelfth in a series of posts about new features in the upcoming version 8.7 of Tcl. The prior post in the series covered mounting of ZIP archives as Tcl virtual file systems, their introspection and using file I/O commands to read and write to files within the archive. This short post concerns itself with utility commands for creating ZIP file archives.

This is the eleventh in a series of posts about new features in the upcoming version 8.7 of Tcl. It is the first of a pair of posts describing core support for treating ZIP archives as virtual file systems within Tcl. This post focuses on base operations dealing with existing ZIP archives. The next describes the creation of ZIP archives and their use for building zipkits and single file executables.