Simple Macro - repeat your steps x times

within vi create a macro called "a": qa

then do all the steps you want in the macro by editing the file as you normaly would

close the macro: q

run the macro 10 times: 

10@a
 

Replace spaces with  

:s/ /\1\r/


Sort a file within vi 

:sort 


Sort and remove duplicates

:sort u


Remove windows newline

:%s/[[ctrlkey+v and ctrl-key+M]]//g


Replace multiple spaces with tabs

:%s/   /\t/g