Convert txt data to xls data with saving in C:// path etc.

Hello there, my english is bad, but i try to explain some points.

point #1

i have an idea to create a simple application, which will be converting some *txt files into *xls file

point #2

in *txt file some data's are wrong, it need to correct or delete, for example, if temperature in January couldn't be +2, then it is wrong/

point #3

then after converting into xls, it need to save in c://

with best regards,

Andrew S.