[closed] syntax to append data to textfile

[BartSr]

I am struggeling to get data append to existing textfile

Code: Select all

 file = io.open("/home/pi/gas.txt", "w+") 
   	file:write("gasstand"..gasstand.."\n")
        file:close() --closes the open file

I borrowed this code partly from a script written by Waaren. It was understood thet the w+ should open the file in append mode.
But every time there is only the new data in the file gas.txt

Where is my error? And where can I find info re create a file if not already exist? To my knowledge quit native but the syntax.....

Thanks
-Bart

[Toulon7559]

See the first list under this weblink:
https://www.tutorialspoint.com/python/p ... les_io.htm#

[BartSr]

Toulon7559, Thanks a lot. You helped me out!
-Bart