diff -ur v48/ezmd.py v49/ezmd.py
--- v48/ezmd.py	2020-07-16 01:04:06.000000000 +0900
+++ v49/ezmd.py	2020-09-06 21:26:41.000000000 +0900
@@ -215,8 +215,12 @@
 	ps = ('http', 'https')
 	cmd = 'wget -q -O-' if any( map( lambda p: s.startswith(p + '://'), ps ) ) else 'cat'
 
-	if cmd == 'cat' and not os.path.exists(s): # todo
-		s = '../' + s
+	if cmd == 'cat' and not os.path.exists(s) and s[0] != '/':
+		for d in [ '..', os.path.dirname( __file__ ) ]:
+			t = os.path.join( d, s )
+			if os.path.exists( t ):
+				s = t
+				break
 
 	b = subprocess.check_output( cmd + ' ' + s, shell=True )
 	(s, nkf_opt) = nkf.to_str(b)
diff -ur v48/to_html.py v49/to_html.py
--- v48/to_html.py	2020-04-05 11:08:00.000000000 +0900
+++ v49/to_html.py	2020-09-06 21:04:23.000000000 +0900
@@ -28,7 +28,17 @@
 			title = "'{}'".format( title )
 		title = add_opt( '-t', title )
 
-	fmt = '{} < {} | {} {} {} | {} y > {}'
-	cmd = fmt.format( cmd_py('ezmd'), body, cmd_py('join_yaml'), title, head, cmd_py('ezhtml'), out )
-	cmd_ut.call(cmd)
+
+	ezhtml = cmd_py( 'ezhtml' ) + ' y'
+	if out.endswith( '.yaml' ) or a.is_pop( '-yaml' ):
+		ezhtml = 'cat'
+	if out != '-':
+		ezhtml += ' > ' + out
+
+
+	fmt = '{} < {} | {} {} {} | {}'
+	cmd = fmt.format( cmd_py('ezmd'), body, cmd_py('join_yaml'), title, head, ezhtml )
+	s = cmd_ut.call(cmd)
+	if out == '-':
+		sys.stdout.write( s.decode() )
 # EOF