From d884b7280feae1a45dc210b633d44416c539e8d0 Mon Sep 17 00:00:00 2001
From: Yury Melnichek <melnichek@gmail.com>
Date: Tue, 29 May 2012 06:59:01 +0200
Subject: [PATCH] [guide] Fix image extraction when there are too many files in
 a directory.

---
 crawler/extract-image-urls.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crawler/extract-image-urls.sh b/crawler/extract-image-urls.sh
index e63d10085d..da07574755 100755
--- a/crawler/extract-image-urls.sh
+++ b/crawler/extract-image-urls.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e -u -x
 
-grep --ignore-case --only-matching --no-filename '<img[^/]*src=\"[^">]*"' *.opt \
+grep --ignore-case --only-matching --no-filename '<img[^/]*src=\"[^">]*"' -r --include=*.opt . \
   | sed 's/<img.*src="//g' \
   | sed 's/"$//g' \
   | sort -u \