diff --git a/buku b/buku
index ba0994a..d51acec 100755
--- a/buku
+++ b/buku
@@ -955,50 +955,6 @@ def printmsg(msg, level=None):
 
 
 
-def usage():
-    """Show buku usage, options, general information and exit"""
-
-    print("Usage: OPTIONS [URL] [TAGS] [KEYWORDS ...]\n\n"
-
-    "A private cmdline bookmark manager. Your mini web!\n\n"
-
-    "General options\n"
-    "  -a URL [tags]        add URL as bookmark with comma separated tags\n"
-    "  -d N                 delete entry at DB index N (from -p 0), N=0 deletes all\n"
-    "  -g                   list all tags alphabetically\n"
-    "  -m title             manually set title, for -a, -i, -u; '-m none' clears title\n"
-    "  -s keyword(s)        search bookmarks for any keyword\n"
-    "  -S keyword(s)        search bookmarks with all keywords\n"
-    "  -u N [URL] [tags]    update fields of the entry at DB index N\n"
-    "                       The first keyword, if available, is treated as the URL.\n"
-    "                       If URL is omitted (and -m is not used) the title of entry at\n"
-    "                       index N is refreshed from the web, N=0 refreshes all titles.\n\n"
-
-    "Power toys\n"
-    "  -e                   show bookmarks with empty titles or no tags\n"
-    "  -i N                 insert new bookmark at free DB index N\n"
-    "  -j                   show results in Json format\n"
-    "  -k                   decrypt (unlock) database file\n"
-    "  -l                   encrypt (lock) database file\n"
-    "  -o N                 open URL at DB index N in browser\n"
-    "  -p N                 show details of bookmark record at DB index N, N=0 shows all\n"
-    "  -r oldtag [newtag]   replace oldtag with newtag, delete oldtag if newtag empty\n"
-    "  -t N                 use N (> 0) hash iterations to generate key, for -k, -l\n"
-    "  -x N                 modify -p behaviour, N=1: show only URL, N=2: show URL & tag\n"
-    "  -z                   show debug information\n\n"
-
-    "Prompt keys\n"
-    "  1-N                  open Nth search result in browser\n"
-    "  Enter                exit buku\n\n"
-
-    "Version %.1f\n"
-    "Copyright (C) 2015 Arun Prakash Jana <engineerarun@gmail.com>\n"
-    "License: GPLv3\n"
-    "Webpage: https://github.com/jarun/buku\n" % _VERSION_)
-    sys.exit(1)
-
-
-
 """main starts here"""
 def main(argv = sys.argv):
     # detects whether have pipe line parsing in
@@ -1054,6 +1010,8 @@ argparser = ExtendedArgumentParser(
 )
 addarg = argparser.add_argument
 
+#addarg('infile', nargs='?', type=argparse.FileType('r'), default=sys.stdin, help=argparse.SUPPRESS)
+addarg('outfile', nargs='?', type=argparse.FileType('w'), default=sys.stdout, help=argparse.SUPPRESS)
 addarg('-a', '--add', nargs='+', dest='addurl', metavar=('URL', 'tags'),
        help="bookmark URL with comma separated tags")
 addarg('-d', '--delete', nargs='?', dest='delete', type=int, const=0, metavar='N',