lib/sup/modes/text_mode.rb in sup-0.20.0 vs lib/sup/modes/text_mode.rb in sup-0.21.0

@@ -22,11 +22,16 @@
 
   def pipe
     command = BufferManager.ask(:shell, "pipe command: ")
     return if command.nil? || command.empty?
 
-    output = pipe_to_process(command) do |stream|
+    output, success = pipe_to_process(command) do |stream|
       @text.each { |l| stream.puts l }
+    end
+
+    unless success
+      BufferManager.flash "Invalid command: '#{command}' is not an executable"
+      return
     end
 
     if output
       BufferManager.spawn "Output of '#{command}'", TextMode.new(output.ascii)
     else