From 8d4a3192f1636e5bbca8039fffedb5227a739612 Mon Sep 17 00:00:00 2001
From: KenjiTakahashi <wozniakk@gmail.com>
Date: Wed, 31 Aug 2016 20:46:35 +0200
Subject: [PATCH] Pass width and height to the previewer

This way, the script can do a little magic like

 head -n $2 $1 | highlight -O ansi --syntax ${1##*.}

to avoid reading whole (possibly huge) file.
---
 ui.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui.go b/ui.go
index 45ceb64..85fb24e 100644
--- a/ui.go
+++ b/ui.go
@@ -257,7 +257,7 @@ func (win *Win) printr(reg *os.File) error {
 	}
 
 	if len(gOpts.previewer) != 0 {
-		cmd := exec.Command(gOpts.previewer, reg.Name())
+		cmd := exec.Command(gOpts.previewer, reg.Name(), strconv.Itoa(win.w), strconv.Itoa(win.h))
 
 		out, err := cmd.Output()
 		if err != nil {