These are 3 files:file1   file2   file31 2 3   1 1 1   3 3 32 1 3   1 1 1   3 3 30 0 0   1 1 1   3 3 3I want to join them together and have a final file like:1 2 3 1 1 1 3 3 32 1 3 1 1 1 3 3 30 0 0 1 1 1 3 3 3But when I use :paste file1 file2 file3 > file4I see gap in output(file4):1 2 3   1 1 1   3 3 32 1 3   1 1 1   3 3 30 0 0   1 1 1   3 3 3What should I do to not see these gaps?
how to paste several file together using a single space as a delimiter
paste
I triedpaste -d ' ' file1 file2 file3 > file4and it worked fine.  Tested on MacOS.