Modify text file

[app_grafixweb (Grafix Web)]

i have a text file formatted this way

nome cognome 1010 00100 5555
pippo paperino 1010 00152 4445
mario rossi 1111 00154 2131

I have to get this result
nome cognome 1010 001,00 5555
pippo paperino 1010 001,52 4445
mario rossi 1111 001,54 2131

what method can i use to open the file and read the line in a certain position and add the , ?

[golumaths100 (Shivam Chouhan)]

These blocks will solve your problems.
This is just a simple example for your problem. You can modify it as per your need.