[Assorted-commits] SF.net SVN: assorted:[1483] shell-tools/trunk/src/hdr-grep.py

[<yan...@us...>]

Revision: 1483
          http://assorted.svn.sourceforge.net/assorted/?rev=1483&view=rev
Author:   yangzhang
Date:     2009-10-14 04:52:45 +0000 (Wed, 14 Oct 2009)

Log Message:
-----------
added hdr-grep

Added Paths:
-----------
    shell-tools/trunk/src/hdr-grep.py

Added: shell-tools/trunk/src/hdr-grep.py
===================================================================
--- shell-tools/trunk/src/hdr-grep.py	                        (rev 0)
+++ shell-tools/trunk/src/hdr-grep.py	2009-10-14 04:52:45 UTC (rev 1483)
@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+"""
+Prints the titles of sections in stdin whose bodies contain the given query
+text (case-insensitive).  Assumes input is markdown-/pandoc-formatted and only
+looks for level-1 and -2 headers (lines that are underlined with at least 3 =
+or - characters).
+"""
+
+from commons.seqs import pairwise
+import sys
+
+query = sys.argv[1]
+hdr = None
+for prev, line in pairwise(line.rstrip() for line in sys.stdin):
+  if len(line) >= 3 and set(line) in [set('-'), set('=')]:
+    hdr = prev
+  elif hdr is not None and query.lower() in line.lower():
+    print hdr
+    hdr = None


Property changes on: shell-tools/trunk/src/hdr-grep.py
___________________________________________________________________
Added: svn:executable
   + *


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