X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/5f902517ffea8033605752f4755d81d4a9ba4aec..14a3f6689ba5f3d189aa8d47f857dab1ffa2a3e7:/helpers.lua

diff --git a/helpers.lua b/helpers.lua
index 137bd6a..8fb794c 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -49,13 +49,25 @@ end
 -- list/table if the file does not exist
 function helpers.lines_from(file)
   if not helpers.file_exists(file) then return {} end
-  lines = {}
+  local lines = {}
   for line in io.lines(file) do
     lines[#lines + 1] = line
   end
   return lines
 end
 
+-- match all lines from a file, returns an empty
+-- list/table if the file or match does not exist
+function helpers.lines_match(regexp, file)
+	local lines = {}
+	for index,line in pairs(helpers.lines_from(file)) do
+		if string.match(line, regexp) then 
+			lines[index] = line
+		end  
+	end
+	return lines
+end
+
 -- get first line of a file, return nil if
 -- the file does not exist
 function helpers.first_line(file)