tools/apply-colormap:palette(): Try to use a single write(2).

It appears the serial interface doesn't handle well multiple writes.

1 files changed, 2 insertions, 3 deletions

diff --git a/tools/apply-colormap b/tools/apply-colormap
index 56d90e0..d59ddd2 100755
--- a/tools/apply-colormap
+++ b/tools/apply-colormap
@@ -73,9 +73,8 @@ colormap() {
 }
 
 palette() {
-    printf "palette"
-    sed "/^\\s*#/d; s/\\s*#.*//" <"$PALETTE" \
-        | sed -nr "1h;1!H; \${x; s/^\\s*/ /; s/\s+/ /g; p}"
+    { echo "palette"; sed "/^\\s*#/d; s/\\s*#.*//" <"$PALETTE"; } \
+        | sed -r ':a; $!N; s/\n/ /; ta; s/\s+/ /g'
 }
 
 serial_send() {