Add example

2 files changed, 18 insertions, 14 deletions

diff --git a/docs/bashcomplete.rst b/docs/bashcomplete.rst
index 9ceeeab..7aedb71 100644
--- a/docs/bashcomplete.rst
+++ b/docs/bashcomplete.rst
@@ -56,16 +56,16 @@ Here is an example of using a callback function to generate dynamic suggestions:
 
 .. click:example::
 
-    def lookup_names(ctx, incomplete, cwords, cword):
-        names = []
-        # Do stuff here to dynamically generate the list of names...
-        return names
+    import os
+   
+    def get_env_vars(ctx, incomplete, cwords, cword):
+        return os.environ.keys()
 
     @click.command()
-    @click.argument("name", type=click.STRING, autocompletion=lookup_names)
-    def cmd1(name):
-        click.echo('Name: %s' % name)
-
+    @click.argument("envvar", type=click.STRING, autocompletion=get_env_vars)
+    def cmd1(envvar):
+        click.echo('Environment variable: %s' % envvar)
+        click.echo('Value: %s' % os.environ[envvar])
   
 
 Activation
diff --git a/examples/bashcompletion/bashcompletion.py b/examples/bashcompletion/bashcompletion.py
index 9c3253c..aa64660 100644
--- a/examples/bashcompletion/bashcompletion.py
+++ b/examples/bashcompletion/bashcompletion.py
@@ -1,4 +1,5 @@
 import click
+import os
 
 @click.group()
 def cli():
@@ -6,14 +7,17 @@ def cli():
 
 @cli.command()
 @click.argument("name", type=click.STRING, autocompletion=["John", "Simon", "Doe"])
-@click.option('--debug/--no-debug', default=False)
-@click.option('-f', default=False)
-def cmd1():
-    pass
+def cmd1(name):
+    click.echo('Name: %s' % name)
+
+def get_env_vars(ctx, incomplete, cwords, cword):
+    return os.environ.keys()
 
 @cli.command()
-def cmd2():
-    pass
+@click.argument("envvar", type=click.STRING, autocompletion=get_env_vars)
+def cmd2(envvar):
+    click.echo('Environment variable: %s' % envvar)
+    click.echo('Value: %s' % os.environ[envvar])
 
 @cli.command()
 def cmd3():