get now behaves correctly with integer cell paths

patch

crates/nu-command/src/filters/get.rs

@@ -145,6 +145,13 @@ If multiple cell paths are given, this will produce a list of values."#
     }
 }
 
+// the PipelineData.follow_cell_path function, when given a
+// stream, collects it into a vec before doing its job
+//
+// this is fine, since it returns a Result<Value ShellError>,
+// but if we want to follow a PipelineData into a cell path and
+// return another PipelineData, then we have to take care to
+// make sure it streams
 pub fn follow_cell_path_into_stream(
     data: PipelineData,
     signals: Signals,
@@ -154,6 +161,18 @@ pub fn follow_cell_path_into_stream(
 ) -> Result<PipelineData, ShellError> {
     match data {
         PipelineData::ListStream(stream, ..) => {
+            let has_int_member = cell_path.iter().any(|it| match it {
+                PathMember::String { .. } => false,
+                PathMember::Int { .. } => true,
+            });
+
+            if has_int_member {
+                // when given an integer/indexing, we fallback to
+                // the default nushell indexing behaviour
+                Value::list(stream.into_iter().collect(), head)
+                    .follow_cell_path(&cell_path, insensitive)
+                    .map(|it| it.into_pipeline_data())
+            } else {
                 let result = stream
                     .into_iter()
                     .map(move |value| {
@@ -168,6 +187,7 @@ pub fn follow_cell_path_into_stream(
 
                 Ok(result)
             }
+        }
 
         _ => data
             .follow_cell_path(&cell_path, head, insensitive)