Text file with ^M on each line

Question

I just got a source code file from a friend. The file was created in UNIX. When I opened it in Windows using NotePad++, each line had one extra blank line.

Puzzled,

Answer 1

its a windows artefact. You have 2 options

1. Use an editor where you can specify the save format
2. Use dos2unix on a unix like system to convert