Tidy up

build.sh

diff --git a/build.sh b/build.sh
index 581326f..503c7f1 100755
--- a/build.sh
+++ b/build.sh
@@ -5,11 +5,7 @@
 OUT=${1:?}
 test -d ${OUT} || mkdir ${OUT}
 
-ls -lR $OUT
-
 date >${OUT}/date.txt
 
 # to test file addition and removal
 cp -R src/ ${OUT}/src
-
-ls -lR $OUT