Automatically trim ends of stdin/stdout strings (#874)

crates/nu-command/src/filesystem/open.rs

@@ -124,6 +124,7 @@ impl Command for Open {
                 RawStream::new(
                     Box::new(BufferedReader { input: buf_reader }),
                     ctrlc,
+                    false,
                     call_span,
                 ),
                 call_span,

crates/nu-command/src/network/fetch.rs

@@ -362,6 +362,7 @@ fn response_to_buffer(
                 input: buffered_input,
             }),
             engine_state.ctrlc.clone(),
+            false,
             span,
         ),
         span,

crates/nu-command/src/system/run_external.rs

@@ -243,7 +243,7 @@ impl ExternalCommand {
                 let receiver = ChannelReceiver::new(rx);
 
                 Ok(PipelineData::RawStream(
-                    RawStream::new(Box::new(receiver), output_ctrlc, head),
+                    RawStream::new(Box::new(receiver), output_ctrlc, true, head),
                     head,
                     None,
                 ))

crates/nu-command/src/viewers/table.rs

@@ -72,6 +72,7 @@ impl Command for Table {
                         .into_iter(),
                     ),
                     ctrlc,
+                    false,
                     head,
                 ),
                 head,
@@ -188,6 +189,7 @@ impl Command for Table {
                             stream,
                         }),
                         ctrlc,
+                        false,
                         head,
                     ),
                     head,