From b727cdd9404542a695d25b489db88dafb8d41f33 Mon Sep 17 00:00:00 2001
From: zdravi <zdravi@github.com>
Date: Thu, 24 Sep 2015 12:20:07 -0700
Subject: [PATCH] Added a "top" flag for optional truncated entries

---
 jrnl/Journal.py | 11 ++++++++++-
 jrnl/cli.py     |  6 ++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/jrnl/Journal.py b/jrnl/Journal.py
index 92a6774f..1059c19e 100644
--- a/jrnl/Journal.py
+++ b/jrnl/Journal.py
@@ -194,7 +194,7 @@ class Journal(object):
         if n:
             self.entries = self.entries[-n:]
 
-    def filter(self, tags=[], start_date=None, end_date=None, starred=False, strict=False, short=False):
+    def filter(self, tags=[], start_date=None, end_date=None, starred=False, strict=False, short=False, head=None):
         """Removes all entries from the journal that don't match the filter.
 
         tags is a list of tags, each being a string that starts with one of the
@@ -233,6 +233,15 @@ class Journal(object):
             else:
                 for e in self.entries:
                     e.body = ''
+
+        elif head is not None:
+            try:
+                head = int(head)
+                for e in self.entries:
+                    e.body = "\n".join(e.body.split('\n')[:head])
+            except ValueError:
+                pass
+
         self.entries = result
 
     def new_entry(self, raw, date=None, sort=True):
diff --git a/jrnl/cli.py b/jrnl/cli.py
index 35764734..a284c1f6 100644
--- a/jrnl/cli.py
+++ b/jrnl/cli.py
@@ -41,6 +41,7 @@ def parse_args(args=None):
     reading.add_argument('-and', dest='strict', action="store_true", help='Filter by tags using AND (default: OR)')
     reading.add_argument('-starred', dest='starred', action="store_true", help='Show only starred entries')
     reading.add_argument('-n', dest='limit', default=None, metavar="N", help="Shows the last n entries matching the filter. '-n 3' and '-3' have the same effect.", nargs="?", type=int)
+    reading.add_argument('-t', '--top', dest='head', action="store", default=None, help="Clips the first N lines of each journal entry.")
 
     exporting = parser.add_argument_group('Export / Import', 'Options for transmogrifying your journal')
     exporting.add_argument('--short', dest='short', action="store_true", help='Show only titles or line containing the search tags')
@@ -61,7 +62,7 @@ def guess_mode(args, config):
     if args.decrypt is not False or args.encrypt is not False or args.export is not False or any((args.short, args.tags, args.edit)):
         compose = False
         export = True
-    elif any((args.start_date, args.end_date, args.on_date, args.limit, args.strict, args.starred)):
+    elif any((args.start_date, args.end_date, args.on_date, args.limit, args.head, args.strict, args.starred)):
         # Any sign of displaying stuff?
         compose = False
     elif args.text and all(word[0] in config['tagsymbols'] for word in " ".join(args.text).split()):
@@ -233,7 +234,8 @@ def run(manual_args=None):
                        start_date=args.start_date, end_date=args.end_date,
                        strict=args.strict,
                        short=args.short,
-                       starred=args.starred)
+                       starred=args.starred,
+                       head=args.head)
         journal.limit(args.limit)
 
     # Reading mode