From 6873beb82397155d50bf577d75155643c2df0ea7 Mon Sep 17 00:00:00 2001
From: Ethan Dalool <git@voussoir.net>
Date: Mon, 7 Dec 2020 20:08:39 -0800
Subject: [PATCH] Rename output -> stdout, add stderr.

---
 voussoirkit/pipeable.py | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/voussoirkit/pipeable.py b/voussoirkit/pipeable.py
index df899d9..8d22afe 100644
--- a/voussoirkit/pipeable.py
+++ b/voussoirkit/pipeable.py
@@ -130,12 +130,21 @@ def input(
             continue
         yield line
 
-def output(line, end='\n'):
-    sys.stdout.write(line)
+def _output(stream, line, end):
+    stream.write(line)
     if not line.endswith(end):
-        sys.stdout.write(end)
+        stream.write(end)
     if not OUT_PIPE:
-        sys.stdout.flush()
+        stream.flush()
+
+def stdout(line, end='\n'):
+    _output(sys.stdout, line, end)
+
+def stderr(line, end='\n'):
+    _output(sys.stderr, line, end)
+
+# backwards compat
+output = stdout
 
 def go(args=None, *input_args, **input_kwargs):
     '''