Add a pipe-pane command to allow a pane to be piped to a shell command, for

example:

	pipe-pane 'cat >~/out'

No arguments stops outputing and closes the pipe; the -o flag toggles a pipe
and on and off (useful for key bindings).

Suggested by espie@.

1 files changed, 18 insertions, 1 deletions

diff --git a/usr.bin/tmux/window.c b/usr.bin/tmux/window.c
index f77e7cd758c..2dbc0673324 100644
--- a/usr.bin/tmux/window.c
+++ b/usr.bin/tmux/window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: window.c,v 1.31 2009/10/11 07:01:10 nicm Exp $ */
+/* $OpenBSD: window.c,v 1.32 2009/10/11 10:04:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -425,6 +425,10 @@ window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
 	wp->sx = sx;
 	wp->sy = sy;
 
+	wp->pipe_fd = -1;
+	wp->pipe_buf = NULL;
+	wp->pipe_off = 0;
+
 	wp->saved_grid = NULL;
 
 	screen_init(&wp->base, sx, sy, hlimit);
@@ -448,6 +452,11 @@ window_pane_destroy(struct window_pane *wp)
 	if (wp->saved_grid != NULL)
 		grid_destroy(wp->saved_grid);
 
+	if (wp->pipe_fd != -1) {
+		buffer_destroy(wp->pipe_buf);
+		close(wp->pipe_fd);
+	}
+
 	buffer_destroy(wp->in);
 	buffer_destroy(wp->out);
 
@@ -621,7 +630,15 @@ window_pane_reset_mode(struct window_pane *wp)
 void
 window_pane_parse(struct window_pane *wp)
 {
+	size_t	new_size;
+
+	new_size = BUFFER_USED(wp->in) - wp->pipe_off;
+	if (wp->pipe_fd != -1 && new_size > 0)
+		buffer_write(wp->pipe_buf, BUFFER_OUT(wp->in), new_size);
+	
 	input_parse(wp);
+
+	wp->pipe_off = BUFFER_USED(wp->in);
 }
 
 void