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Diffstat (limited to 'docs/fs.md')
| -rw-r--r-- | docs/fs.md | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -186,12 +186,17 @@ an open renders its frame; stat the entry. `/log` is one ring (64 KiB) that records whether or not anyone reads it: `new`, `del`, `rename` and `save <serial> <name>`, and `msg <serial|-> <text>` -for every line the editor says, builtins announcing themselves included. +for every line the editor says, repeats included (with `verbose` on, that +includes each builtin announcing itself as it runs). A `msg` said while a +pane is being made can precede that pane's `new`; panes present at boot are +recorded before anything else. Control characters in a record become spaces, so a record is one line. An open freezes the ring's text the way `/screen` freezes a frame: reads walk it and end. Writing `follow` to that same open makes reads past it park for the next record, one per read; a follower the ring outran reads `lost N` first. -Closing the open is the only way back, as with rio's `consctl`. `/screen` returns JSON with +Closing the open is the only way back, as with rio's `consctl`. A record +longer than a read comes in pieces, so a shell's `read` loop works. `tail -f` +never writes `follow`, so it sees nothing new: use the follow open instead. `/screen` returns JSON with `cols`, `rows`, `cursor`, a `styles` table, and row-major `cells` of `[grapheme, style_index]`. Each open freezes one frame until close. A terminal `body` freezes its history on the first read of each open handle; |