Fix bug when multiple modules where defined. In the old syntax, they were interpreted as a single string, with space. I.e. only one iteration of hte for loop was executed. Using bash arrays, we no longer have this issue

Author: Caspar van Leeuwen

bot/build.sh

@@ -115,7 +115,8 @@ mkdir -p ${SINGULARITY_TMPDIR}
 
 # load modules if LOAD_MODULES is not empty
 if [[ ! -z ${LOAD_MODULES} ]]; then
-    for mod in $(echo ${LOAD_MODULES} | tr ',' '\n')
+    IFS=',' read -r -a modules <<< "$(echo "${LOAD_MODULES}")"
+    for mod in "${modules[@]}";
     do
         echo "bot/build.sh: loading module '${mod}'"
         module load ${mod}