diff --git a/Makefile b/Makefile
index dbd17e9..fa13c9d 100644
--- a/Makefile
+++ b/Makefile
@@ -4,10 +4,10 @@ CMD = 2grep 2search audioping blink burncpu bwlimit clipboard drac	\
 	gitdiffdir gitedit gitnext gitundo goodpasswd histogram		\
 	Loffice mtrr mirrorpdf neno not off pdfman pidcmd pidtree	\
 	plotpipe puniq ramusage rand rclean rina rn rrm seekmaniac	\
-	shython sound-reload splitvideo stdout swapout T teetime	\
-	timestamp tracefile transpose upsidedown vid			\
-	w4it-for-port-open whitehash wifi-reload wssh youtube-lbry	\
-	ytv yyyymmdd
+	shython sound-reload splitvideo stdout summer swapout T		\
+	teetime timestamp tracefile transpose twitsplit ctc upsidedown	\
+	vid w4it-for-port-open whitehash wifi-reload wssh		\
+	youtube-lbry ytv yyyymmdd
 
 all: 2search/2grep.1 2search/2search.1 blink/blink.1			\
 	burncpu/burncpu.1 bwlimit/bwlimit.1 clipboard/clipboard.1	\
@@ -22,10 +22,10 @@ all: 2search/2grep.1 2search/2search.1 blink/blink.1			\
 	seekmaniac/seekmaniac.1 shython/shython.1			\
 	sound-reload/sound-reload.1 splitvideo/splitvideo.1		\
 	stdout/stdout.1 teetime/teetime.1 timestamp/timestamp.1		\
-	tracefile/tracefile.1 transpose/transpose.1 T/T.1		\
-	upsidedown/upsidedown.1 vid/vid.1 wifi-reload/wifi-reload.1	\
-	wssh/wssh.1 youtube-lbry/youtube-lbry.1 ytv/ytv.1		\
-	yyyymmdd/yyyymmdd.1
+	tracefile/tracefile.1 transpose/transpose.1			\
+	twitsplit/twitsplit.1 T/T.1 upsidedown/upsidedown.1 vid/vid.1	\
+	wifi-reload/wifi-reload.1 wssh/wssh.1				\
+	youtube-lbry/youtube-lbry.1 ytv/ytv.1 yyyymmdd/yyyymmdd.1
 
 %.1: %
 	pod2man $< > $@
diff --git a/vid/vid b/vid/vid
index fd83a35..0fbabcb 100755
--- a/vid/vid
+++ b/vid/vid
@@ -176,11 +176,10 @@ stdin() {
 }
 
 stdout() {
-    if [ -t 1 ] ; then
-	# STDOUT = terminal
+    if $stdout_is_terminal ; then
 	# start $VIDEOPLAYER
 	VIDEOPLAYER=${VIDEOPLAYER:-vlc --}
-	if tty -s ; then
+	if $stdin_is_terminal ; then
 	    # STDIN is terminal => limit to 100
 	    shuf | parallel --halt now,done=1 --lb -n100 -Xj1 $VIDEOPLAYER
 	else
@@ -191,6 +190,18 @@ stdout() {
     fi
 }
 
+if [ -t 1 ] ; then
+    stdout_is_terminal=true
+else
+    stdout_is_terminal=false
+fi
+
+if tty -s ; then
+    stdin_is_terminal=true
+else
+    stdin_is_terminal=false
+fi
+
 stdin | G "$@" | stdout
 
 exit $?