1 files changed, 42 insertions, 0 deletions
diff --git a/.config/nvim/lua/pipe.lua b/.config/nvim/lua/pipe.lua
new file mode 100644
index 0000000..f09a030
--- /dev/null
+++ b/.config/nvim/lua/pipe.lua
@@ -0,0 +1,42 @@
+function pipe_visual()
+	pipe_internal({'<', '>'}, vim.fn.visualmode() ~= 'v')
+end
+
+function pipe_normal(arg)
+	pipe_internal({'[', ']'}, arg == 'line')
+end
+
+function pipe_internal(marks, linesp)
+	local mode = vim.fn.visualmode()
+
+	local sr, sc = unpack(vim.api.nvim_buf_get_mark(0, marks[1]))
+	local er, ec = unpack(vim.api.nvim_buf_get_mark(0, marks[2]))
+
+	local lines = linesp
+		and vim.api.nvim_buf_get_lines(0, sr - 1, er, true)
+		or vim.api.nvim_buf_get_text(0, sr - 1, sc, er - 1, ec + 1, {})
+
+	local ok, cmd = pcall(vim.fn.input, {
+		prompt = '… | ',
+		cancelreturn = vim.NIL,
+	})
+
+	if not ok or cmd == vim.NIL then
+		return
+	end
+
+	local out = vim.fn.systemlist(cmd, lines)
+	if linesp then
+		vim.api.nvim_buf_set_lines(0, sr - 1, er, true, out)
+	else
+		vim.api.nvim_buf_set_text(0, sr - 1, sc, er - 1, ec + 1, out)
+	end
+end
+
+vim.keymap.set('n', '<Plug>PipeNormal', ':set opfunc=v:lua.pipe_normal<CR>g@',
+	{ silent = true })
+vim.keymap.set('x', '<Plug>PipeVisual', ':<C-u>lua pipe_visual()<CR>',
+	{ silent = true })
+
+vim.keymap.set('n', '|', '<Plug>PipeNormal')
+vim.keymap.set('x', '|', '<Plug>PipeVisual')