Add shell insert commands to typable and config (#2589)

* Add shell insert commands to typable and config

* generate docs

Co-authored-by: Dean Revell <revell@gmail.com>

book/src/generated/typable-cmd.md

@@ -64,5 +64,7 @@
 | `:config-reload` | Refreshes helix's config. |
 | `:config-open` | Open the helix config.toml file. |
 | `:log-open` | Open the helix log file. |
+| `:insert-output` | Run shell command, inserting output after each selection. |
+| `:append-output` | Run shell command, appending output after each selection. |
 | `:pipe` | Pipe each selection to the shell command. |
 | `:run-shell-command`, `:sh` | Run a shell command |

helix-term/src/commands/typed.rs

@@ -1172,6 +1172,26 @@ fn refresh_config(
     Ok(())
 }
 
+fn append_output(
+    cx: &mut compositor::Context,
+    args: &[Cow<str>],
+    _event: PromptEvent,
+) -> anyhow::Result<()> {
+    ensure!(!args.is_empty(), "Shell command required");
+    shell(cx, &args.join(" "), &ShellBehavior::Append);
+    Ok(())
+}
+
+fn insert_output(
+    cx: &mut compositor::Context,
+    args: &[Cow<str>],
+    _event: PromptEvent,
+) -> anyhow::Result<()> {
+    ensure!(!args.is_empty(), "Shell command required");
+    shell(cx, &args.join(" "), &ShellBehavior::Insert);
+    Ok(())
+}
+
 fn pipe(
     cx: &mut compositor::Context,
     args: &[Cow<str>],
@@ -1671,6 +1691,20 @@ pub const TYPABLE_COMMAND_LIST: &[TypableCommand] = &[
             fun: open_log,
             completer: None,
         },
+        TypableCommand {
+            name: "insert-output",
+            aliases: &[],
+            doc: "Run shell command, inserting output after each selection.",
+            fun: insert_output,
+            completer: None,
+        },
+        TypableCommand {
+            name: "append-output",
+            aliases: &[],
+            doc: "Run shell command, appending output after each selection.",
+            fun: append_output,
+            completer: None,
+        },
         TypableCommand {
             name: "pipe",
             aliases: &[],