vim
Sort on a virtual column
:sort /.*\%10v/
Get filetype
:set filetype?
Delete all lines containing a pattern
:g/profile/d :g/^\s*$/d
Show line numbers
:set number
Backlinks: console fun
:sort /.*\%10v/
:set filetype?
:g/profile/d :g/^\s*$/d
:set number