I want to get automatically to the positions of the results in Vim after grepping, on command line. Is there such feature?
Files to open in Vim on the lines give
Have a look at "Grep search tools integration with Vim" and "Find in files within Vim". Basically vim provides these commands for searching files:
:grep :lgrep :vimgrep :lvimgrep
The articles feature more information regarding their usage.