Adding a keymapping for a global find and replaced based off of file grep via telescope, which feeds into the quickfix list and uses cdo to apply substitute commands to each file and specific word instance chosen.

nvim/lua/plugins/telescope.lua

@@ -3,8 +3,31 @@ return {
     config = function(_, opts)
         local telescope = require('telescope')
         local actions = require('telescope.actions')
+        local action_state = require('telescope.actions.state')
         local fb_actions = telescope.extensions.file_browser.actions
 
+        local custom_actions = {}
+
+        function custom_actions.grep_multi_select(prompt_bufnr)
+            local function get_table_size(t)
+                local count = 0
+                for _ in pairs(t) do
+                    count = count + 1
+                end
+                return count
+            end
+
+            local picker = action_state.get_current_picker(prompt_bufnr)
+            local num_selections = get_table_size(picker:get_multi_selection())
+
+            if num_selections > 1 then
+                actions.send_selected_to_qflist(prompt_bufnr)
+                actions.open_qflist()
+            else
+                actions.file_edit(prompt_bufnr)
+            end
+        end
+
         opts.defaults = {
             file_ignore_patterns = {
                 '.png$',
@@ -19,8 +42,12 @@ return {
             layout_config = { prompt_position = 'top' },
             layout_strategy = 'horizontal',
             mappings = {
+                n = {
+                    ['<cr>'] = custom_actions.grep_multi_select,
+                },
                 i = {
-                    ['<ESC>'] = actions.close
+                    ['<ESC>'] = actions.close,
+                    ['<cr>'] = custom_actions.grep_multi_select,
                 },
             },
             prompt_prefix = '   ',
@@ -38,6 +65,9 @@ return {
                     preview_cutoff = 9999,
                 },
             },
+            grep_string = {
+                initial_mode = 'normal',
+            },
         }
 
         opts.extensions = {
@@ -59,6 +89,7 @@ return {
     dependencies = {
         'nvim-lua/plenary.nvim',
         'nvim-telescope/telescope-file-browser.nvim',
+        'kevinhwang91/nvim-bqf',
     },
     keys = {
         {
@@ -122,6 +153,16 @@ return {
                 require('telescope.builtin').lsp_dynamic_workspace_symbols()
             end
         },
+        {
+            ';g',
+            function()
+                require('telescope.builtin').grep_string({ search = vim.fn.input('Grep For > ')})
+            end
+        },
+        {
+            '<leader>rn',
+            -- custom_actions.grep_multi_select
+        },
         {
             'sf',
             function()