I must convert infile into lines of 260 characters and than remove all the content before (including the character) '_'
I have been looking around for hours now and found a way to convert to 260 characters.
lines = infile.readlines()
[line[i:i+n] for i in lines(0, len(line), 640)]
and found a lot of examples wrt removing characters from string or all characters after an argument.
Please help me out here...