Merge pull request #10 from mranzinger/patch-1

Allow xlua.log to optionally append to an existing file instead of overwriting

1 files changed, 5 insertions, 3 deletions

diff --git a/init.lua b/init.lua
index 2eb1630..6ad5f60 100644
--- a/init.lua
+++ b/init.lua
@@ -109,9 +109,11 @@ rawset(_G, 'xprint', xlua.print)
 ----------------------------------------------------------------------
 -- log all session, by replicating stdout to a file
 ----------------------------------------------------------------------
-function xlua.log(file)
+function xlua.log(file, append)
    os.execute('mkdir ' .. (sys.uname() ~= 'windows' and '-p ' or '') .. ' "' .. sys.dirname(file) .. '"')
-   local f = assert(io.open(file,'w'))
+   local mode = 'w'
+   if append then mode = 'a' end
+   local f = assert(io.open(file,mode))
    io._write = io.write
    _G._print = _G.print
    _G.print = xlua.print
@@ -713,4 +715,4 @@ function string.tosymbol(str)
    end
 end
 
-return xlua
\ No newline at end of file
+return xlua