Merge pull request #333 from mlk/master

basic support for the hdfs dfs <command> when the command misses the …

thefuck/rules/unknown_command.py

@@ -0,0 +1,13 @@
+import re
+from thefuck.utils import (replace_command, get_all_matched_commands)
+
+def match(command, settings):
+    return (re.search(r"([^:]*): Unknown command.*", command.stderr) != None
+            and re.search(r"Did you mean ([^?]*)?", command.stderr) != None)
+
+
+def get_new_command(command, settings):
+    broken_cmd = re.findall(r"([^:]*): Unknown command.*", command.stderr)[0]
+    matched = re.findall(r"Did you mean ([^?]*)?", command.stderr)
+    return replace_command(command, broken_cmd, matched)
+