[Freeswitch-users] Problem Verifying an existing file with lua

[Thomas Hoellriegel]

Hi Sammy,
I become no output true or false.
My Script is now:
function file_exists(fname)
local f = io.open(fname, "r")
if (f and f:read()) then return true end
end
if ( session:ready() ) then
session:answer( );
datei = session:getVariable("call_screen_filename");
if (file_exists(datei..extension.**.".wav")) then
session:setVariable("fileex", "true");
session:setVariable(fileex, true)
returns true;
else
session:setVariable("fileex", "false");
returns false;
end
end

The variable fileex is emty.
The variable:
call_screen_filename
will not be changed after to execute these script.

I like to setup a callscreening.
if the name exists, transfer to the given extension.
If the name don.t exists, start the recording and transwer the call.

Thanks.




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