tools/apply-colormap:serial_send(): Backup and restore IFS.

1 files changed, 2 insertions, 1 deletions

diff --git a/tools/apply-colormap b/tools/apply-colormap
index dd35844..07b0470 100755
--- a/tools/apply-colormap
+++ b/tools/apply-colormap
@@ -79,7 +79,7 @@ palette() {
 }
 
 serial_send() {
-    local fd
+    local fd old_IFS="$IFS"
     exec {fd}<"$DEVICE_PATH"
     "$@" >"$DEVICE_PATH"
     while IFS= read -r -u "$fd" x; do
@@ -87,6 +87,7 @@ serial_send() {
         [ "$x" != "." ] || break
         printf "%s\\n" "$x"
     done
+    IFS="$old_IFS"
     {fd}<&-
 }