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@@ -448,6 +448,11 @@ Installed by the `install-bin` target:
* Two time duration functions:
* `hms(1df)` converts seconds to `hh:mm:ss` or `mm:ss` timestamps.
* `sec(1df)` converts `hh:mm:ss` or `mm:ss` timestamps to seconds.
+* Three pipe interaction tools:
+ * `pst(1df)` runs an interactive program on data before passing it along
+ a pipeline.
+ * `ped(1df)` runs `pst(1df)` with `$EDITOR` or `ed(1)`.
+ * `pvi(1df)` runs `pvi(1df)` with `$VISUAL` or `vi(1)`.
* `ap(1df)` reads arguments for a given command from the standard input,
prompting if appropriate.
* `apf(1df)` prepends arguments to a command with ones read from a file,