Textmate Command to extract the link references from a markdown file and insert it as a snippet at cursor.

collect_links.py

#!/usr/bin/env python -S
# coding: utf-8
"""
Textmate Command to extract the link references from a 
markdown file and insert it as a snippet at cursor.

Screenshot: http://embr.it/Bp9
"""
import re
from sys import stdin, stdout
short = re.compile(r'\[([^]]*)\]\[\]')
link_ref = re.compile(r'\[[^]]*\]\[([^\]]*)\]')
txt = stdin.read()
matches = short.findall(txt)
matches.extend(link_ref.findall(txt))
matches = list(set(matches))
matches.remove('')
matches.sort()
count = 1
refs = ''
for ref in matches:
	refs = refs + '[%(ref)s]: ${%(count)d:%(ref)s}\n' % (dict(ref=ref, count=count))
	count += 1
stdout.write(refs)

gistfile2.mkd