1 files changed, 60 insertions, 0 deletions
diff --git a/lib/ed.lua b/lib/ed.lua
new file mode 100644
index 0000000..2e86f08
--- /dev/null
+++ b/lib/ed.lua
@@ -0,0 +1,60 @@
+#!/usr/bin/lua
+
+require "object"
+
+-- ed object
+Ed = Object:new{ 
+	filename = nil,
+	lines = {}
+}
+
+
+-- openfile and read it to table
+function Ed:open( filename, mode )
+	local f = io.open( filename, mode )
+	-- check that open was success
+	if f == nil then
+		return nil
+	end
+	
+	-- read the lines
+	for line in f:lines() do
+		table.insert( self.lines, line )
+	end
+	f:close()
+	self.filename = filename
+	return self.lines
+end
+
+
+-- search and replace on lines that matches linematch
+function Ed:find_gsub( linematch, search, replace, limit )
+	local i, line
+	for i, line in ipairs( self.lines ) do
+		if string.find( line, linematch ) then
+			self.lines[i] = string.gsub( line, search, replace, limit )	
+		end
+	end
+end
+
+
+-- Write the table to file again
+function Ed:flush( filename ) 
+	local f = io.open( filename, "w" )
+	if f == nil then
+		return false
+	end
+
+	-- write each line to file
+	for i, line in ipairs( self.lines ) do
+		f:write(line .. "\n") -- test this!
+	end
+	f:close()
+	return true
+end
+
+function Ed:insert( line )
+	self.lines:insert( line )
+end
+
+