Delete All Blank Lines VIM


g/^\s*$/d

						*:g* *:global* *E147* *E148*
:[range]g[lobal]/{pattern}/[cmd]
			Execute the Ex command [cmd] (default ":p") on the
			lines within [range] where {pattern} matches.


\s matches a space
\s* matches a bunch of spaces or no spaces
^ matches the start of line
$ matches the end of line


d means delete the whole match

g means do that everywhere