...

1 files changed, 11 insertions, 4 deletions

diff --git a/init.lua b/init.lua
index 40dc0a5..ab6d820 100644
--- a/init.lua
+++ b/init.lua
@@ -78,14 +78,21 @@ execute = function(cmd, readwhat)
              local file = _G.assert(io.open(tmpfile))
              local s = file:read('*all')
              file:close()
-             s:gsub('\n$','')
+             s = s:gsub('^%s*',''):gsub('%s*$','')
              os.execute('rm ' .. tmpfile)
-             --local f = io.popen(cmd, 'r')
-             --local s = f:read(readwhat or '*all')
-             --s = s:gsub('^%s*',''):gsub('%s*$','')
              return s
           end
 
+-- TODO: use the following code, which would avoid the side effect.
+-- For now it doesnt work though, and I can't explain why.
+-- execute = function(cmd)
+--              local f = io.popen(cmd, 'r')
+--              local s = f:read('*all')
+--              f:close()
+--              s = s:gsub('^%s*',''):gsub('%s*$','')
+--              return s
+--           end
+
 --------------------------------------------------------------------------------
 -- returns the name of the OS in use
 -- warning, this method is extremely dumb, and should be replaced by something