From e1fd34a1ea8160fafad693da05d29193b7869cfa Mon Sep 17 00:00:00 2001
From: Fabien Benureau <fabien.benureau+git@gmail.com>
Date: Sun, 27 Jul 2014 20:14:29 +0200
Subject: [PATCH] alphabetical option for list command

---
 pubs/commands/list_cmd.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pubs/commands/list_cmd.py b/pubs/commands/list_cmd.py
index 04e51ee..c3e98a2 100644
--- a/pubs/commands/list_cmd.py
+++ b/pubs/commands/list_cmd.py
@@ -19,7 +19,10 @@ def parser(subparsers):
     parser.add_argument('-i', '--ignore-case', action='store_false',
             default=None, dest='case_sensitive')
     parser.add_argument('-I', '--force-case', action='store_true',
-             dest='case_sensitive')
+            dest='case_sensitive')
+    parser.add_argument('-a', '--alphabetical', action='store_true',
+            dest='alphabetical', default=False,
+            help='lexicographic order on the citekeys.')
     parser.add_argument('query', nargs='*',
             help='Paper query (e.g. "year: 2000" or "tags: math")')
     return parser
@@ -36,10 +39,14 @@ def command(args):
     papers = filter(lambda (n, p):
             filter_paper(p, args.query, case_sensitive=args.case_sensitive),
             enumerate(rp.all_papers()))
+    if args.alphabetical:
+        papers = sorted(papers, key=lambda p: p[1].citekey)
+    else:
+        papers = sorted(papers, key=date_added)
     if len(papers) > 0:
         ui.print_('\n'.join(
             pretty.paper_oneliner(p, n=n, citekey_only=args.citekeys)
-            for n, p in sorted(papers, key=date_added)))
+            for n, p in papers))
 
 
 FIELD_ALIASES = {