Copy and paste content from one file to another file in vi

Question

I am working with two files, and I need to copy a few lines from one file and paste into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn

Answer 1

Enter command mode and run

:r! sed -n ',  p' file_to_extract_text_from

E.g to extract lines 20-30 from filename into the currently opened file

:r! sed -n '20, 30p' filename