Add pretty binary viewing

src/commands/autoview.rs

@@ -6,7 +6,7 @@ use crate::prelude::*;
 pub fn autoview(args: SinkCommandArgs) -> Result<(), ShellError> {
     if args.input.len() > 0 {
         if let Value::Binary(_) = args.input[0] {
-            println!("Binary");
+            args.ctx.get_sink("binaryview").run(args)?;
         } else if equal_shapes(&args.input) {
             args.ctx.get_sink("table").run(args)?;
         } else {

src/plugins/binaryview.rs

@@ -0,0 +1,46 @@
+use indexmap::IndexMap;
+use nu::{serve_plugin, Args, CommandConfig, Plugin, Primitive, ShellError, Value};
+
+struct BinaryView;
+
+impl BinaryView {
+    fn new() -> BinaryView {
+        BinaryView
+    }
+}
+
+impl Plugin for BinaryView {
+    fn config(&mut self) -> Result<CommandConfig, ShellError> {
+        Ok(CommandConfig {
+            name: "binaryview".to_string(),
+            mandatory_positional: vec![],
+            optional_positional: vec![],
+            can_load: vec![],
+            can_save: vec![],
+            is_filter: false,
+            is_sink: true,
+            named: IndexMap::new(),
+            rest_positional: true,
+        })
+    }
+
+    fn sink(&mut self, _args: Args, input: Vec<Value>) {
+        for v in input {
+            match v {
+                Value::Binary(b) => {
+                    view_binary(&b);
+                }
+                _ => {}
+            }
+        }
+    }
+}
+
+fn view_binary(b: &[u8]) {
+    use pretty_hex::*;
+    println!("{:?}", b.hex_dump());
+}
+
+fn main() {
+    serve_plugin(&mut BinaryView::new());
+}