No need to mess with $cfilname. I have a write-hook that saves numbered backups (file~#~, where # is 1, 2, 3, etc.) by simply passing the filename to some code that makes a copy of the file using the next unused number and preserving the mod time.
--mike On Fri, Apr 5, 2024 at 2:46 PM Thomas Dickey <dic...@his.com> wrote: > On Thu, Apr 04, 2024 at 08:01:01PM +0000, david sowerby wrote: > > Hi, in Vim/Neovim I can save a copy of the file when I exit. The copy is > renamed file-$(date +%s).bak. This gives me a file with an increasing > number plus .bak. It looks like "date+%s" and "&stime" do the same thing. > Is this possible in vile? I know I can save a file as file.bak but I like > to save a series of changed files, not just one. > > So a macro that saves a copy and I then call that macro with > write-hook. Thanks. > > write-hook is called before a file is written (so I don't think it would > work > just like the suggested order). > > But you could have a macro which decides what the filename should be, > and writes to that. The macro should save and restore $cfilname, > otherwise $cfilname will get updated to point to the most recently > written file. > > -- > Thomas E. Dickey <dic...@invisible-island.net> > https://invisible-island.net >
