From 7d98f54e121465da316973019794ce8844658d65 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Tue, 5 Oct 2010 09:35:58 -0700
Subject: Faster line count; thanks to awkwood.
---
lognotify.rb | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/lognotify.rb b/lognotify.rb
index 6a1430b..8ec2a10 100755
--- a/lognotify.rb
+++ b/lognotify.rb
@@ -77,9 +77,16 @@ end
# Count lines in cached log.
def count_lines identifier
+ count = 0
+
File.open(identifier.to_cache_path) do |file|
- return file.readlines.length
+ # Process lines block-by-block to keep memory usage low.
+ while block = file.read(1024)
+ count += block.count("\n")
+ end
end
+
+ return count
end
# Retrieve new lines via SSH.
--
cgit v1.2.3-70-g09d2