Updated inout example

1 files changed, 24 insertions, 7 deletions

diff --git a/examples/inout/inout.py b/examples/inout/inout.py
index 3d1415a..7b2879e 100644
--- a/examples/inout/inout.py
+++ b/examples/inout/inout.py
@@ -2,12 +2,29 @@ import click
 
 
 @click.command()
-@click.argument('input', type=click.File('rb'))
+@click.argument('input', type=click.File('rb'), nargs=-1)
 @click.argument('output', type=click.File('wb'))
 def cli(input, output):
-    while True:
-        chunk = input.read(1024)
-        if not chunk:
-            break
-        output.write(chunk)
-        output.flush()
+    """This script works similar to the unix `cat` command but it writes
+    into a specific file (which could be the standard output as denoted by
+    the ``-`` sign).
+
+    \b
+    Copy stdin to stdout:
+        inout - -
+
+    \b
+    Copy foo.txt and bar.txt to stdout:
+        inout foo.txt bar.txt -
+
+    \b
+    Write stdin into the file foo.txt
+        intout - foo.txt
+    """
+    for f in input:
+        while True:
+            chunk = f.read(1024)
+            if not chunk:
+                break
+            output.write(chunk)
+            output.flush()