I know it is possible to have vim open a file at particular line number using this syntax:
vim +500 filename
However, I would like it to op
As an alternative (because I ended up here searching for it), if you want to have the syntax vim :, eg vim test.rb:45, you can use vim-fetch with Vundle:
vim :
vim test.rb:45
Plugin 'kopischke/vim-fetch'