VIM commands
#Find FOO and remove previous characters
%s/^.*\(FOO\)/\1/
#Find FOO in all lines and remove the entire line
g/"FOO"/d
#Find FOO and replace it in all lines
%s/FOO/BAR/g
#Find FOO and replace it in current line
s/FOO/BAR/g
#Delete all blank lines
g/^$/d
#To format a line to the left I use :left. Use this format an entire file:
:%le