Update:
Could it be that there is a problem with the line ending (Unix vs. Windows)?
After I copied the whole file (via copy-paste) on a Linux machine, all 12000 lines in the file were accepted.
Could it be that there is a problem with the line ending (Unix vs. Windows)?
After I copied the whole file (via copy-paste) on a Linux machine, all 12000 lines in the file were accepted.