From 3da59131e3e74d493c9e28589d79569a3dad668d Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Sun, 7 May 2017 00:52:54 +0200
Subject: Tidy variable HEIGHTS: Generalize function uniqwords.

---
 bin/stream | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'bin')

diff --git a/bin/stream b/bin/stream
index 0d46904..6e8e069 100755
--- a/bin/stream
+++ b/bin/stream
@@ -93,8 +93,11 @@ printf_each() {
   printf "$skel" "$string"
  done
 }
+uniqwords() {
+ echo "$@" | tr ' ' '\012' | sort -u
+}
 
-HEIGHTS=$(echo "$HEIGHTS_WEBM $HEIGHTS_MPEG" | tr ' ' '\012' | sort -u)
+HEIGHTS=$(uniqwords "$HEIGHTS_WEBM $HEIGHTS_MPEG")
 HEIGHTCOUNT=$(echo "$HEIGHTS" | wc --words)
 
 # FIXME: support multiple heights
-- 
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