sync2: warn about symlinks and skip dirs

sync2.sh

@@ -1,5 +1,15 @@
 #!/bin/sh
 
+info() { echo "$$ $*"; }
+err() { echo "E: $$ $*" >&2; }
+
+FILES="$(pwd -P)"
 for x; do
-	echo "$$ [$x]"
+	if [ -L "$x" ]; then
+		err "$x: symlinks not supported"
+	elif [ -d "$x" ]; then
+		true
+	else
+		info "[$x]"
+	fi
 done