A Vim plugin that adds a :Qargs utility command, for populating the argument list from the files in the quickfix list.
VimL
Latest commit 2591b75 Jul 22, 2016 @nelstrom committed on GitHub Merge pull request #8 from bennyty/patch-1
Note of being obsolete for later versions of Vim

README.md

Note: The functionality provided by this project has been made largely obsolete in recent versions of vim. :cdo and :cfdo allow you operate directly on the quickfix list instead of first populating the argument list from the quickfix list.

A Vim plugin that adds a :Qargs utility command, for populating the argument list from the files in the quickfix list.

For an example of usage, refer to the question Search & replace using quickfix list in Vim.