diff -r e8b3b56a48cb sselp.c
--- a/sselp.c	Wed Aug 11 15:01:02 2010 +0100
+++ b/sselp.c	Sun Apr 10 13:46:22 2011 +0200
@@ -6,7 +6,7 @@
 
 int
 main(int argc, char *argv[]) {
-	Atom clip, utf8, type;
+	Atom clip, utf8, type, src = XA_PRIMARY;
 	Display *dpy;
 	Window win;
 	XEvent ev;
@@ -15,18 +15,22 @@
 	unsigned char *data;
 	unsigned long len, more;
 
+	if(!(dpy = XOpenDisplay(NULL)))
+		return 1;
+
 	if(argc > 1 && !strcmp(argv[1], "-v")) {
 		fputs("sselp-"VERSION", © 2006-2010 Anselm R Garbe\n", stdout);
 		return 0;
-	}
-	if(!(dpy = XOpenDisplay(NULL)))
-		return 1;
+	}else if(argc > 1 && !strcmp(argv[1], "-s")) 
+		src = XA_SECONDARY;
+	else if(argc > 1 && !strcmp(argv[1], "-b")) 
+		src = XInternAtom(dpy, "CLIPBOARD", False);
 
 	utf8 = XInternAtom(dpy, "UTF8_STRING", False);
 	clip = XInternAtom(dpy, "_SSELP_STRING", False);
 	win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 1, 1, 0,
 	                          CopyFromParent, CopyFromParent);
-	XConvertSelection(dpy, XA_PRIMARY, utf8, clip, win, CurrentTime);
+	XConvertSelection(dpy, src, utf8, clip, win, CurrentTime);
 
 	XNextEvent(dpy, &ev);
 	if(ev.type == SelectionNotify && ev.xselection.property != None) {