diff --git a/generic.sh b/generic.sh
index 238807deb57185bdec992df4fc055e46606a1d36..eed0dbc927b549f0b0ffa047f8893e69fef629d1 100755
--- a/generic.sh
+++ b/generic.sh
@@ -40,7 +40,7 @@ hdl_error() {
         echo "usage: hdl_error <caller's name> <message> [<exitcode>]"
         exit 1
     fi
-    caller=`basename ${caller} | tr [a-z] [A-Z]`
+    caller=$(basename ${caller} | tr [a-z] [A-Z])
     echo -n "$(tput setaf 6)$(tput bold)[${caller}] "
     echo -e "$(tput setaf 1)ERROR - ${msg}. $(tput sgr0)"
     # Exit if $NO_EXIT does not exist, else only return
@@ -56,7 +56,7 @@ hdl_error_noexit() {
         echo "usage: hdl_error <caller's name> <message>"
         exit 1
     fi
-    caller=`basename ${caller} | tr [a-z] [A-Z]`
+    caller=$(basename ${caller} | tr [a-z] [A-Z])
     echo -n "$(tput setaf 6)$(tput bold)[${caller}] "
     echo -e "$(tput setaf 1)ERROR - ${msg}.$(tput sgr0)"
 }
@@ -68,7 +68,7 @@ hdl_warning() {
         echo "usage: hdl_warning <caller's name> <message>"
         exit 1
     fi
-    caller=`basename ${caller} | tr [a-z] [A-Z]`
+    caller=$(basename ${caller} | tr [a-z] [A-Z])
     echo -n "$(tput setaf 6)$(tput bold)[${caller}] "
     echo -e "$(tput setaf 3)WARNING - ${msg}.$(tput sgr0)"
     return 0 
@@ -82,7 +82,7 @@ hdl_info() {
         echo "usage: hdl_info <scriptname> <msg1> [<msg2> .. <msgN>]"
         exit 1
     fi
-    caller=`basename ${caller} | tr [a-z] [A-Z]`
+    caller=$(basename ${caller} | tr [a-z] [A-Z])
     echo -e "$(tput setaf 6)$(tput bold)[${caller}] $* $(tput sgr0)"
     return 0
 }
@@ -110,16 +110,16 @@ hdl_exec() {
         case ${ac} in 
             output=*)
                 # well allrighty then, override default msg 
-                output=`echo "${ac}" | sed 's/^output=//'`
+                output=$(echo "${ac}" | sed 's/^output=//')
                 shift
                 ;;
             msg=*)
                 # well allrighty then, override default msg 
-                msg=`echo "${ac}" | sed 's/^msg=//'`
+                msg=$(echo "${ac}" | sed 's/^msg=//')
                 shift
                 ;;
             expect=*)
-                expect=`echo "${ac}" | sed 's/^expect=//'`
+                expect=$(echo "${ac}" | sed 's/^expect=//')
                 shift
                 ;;
             * )
@@ -196,7 +196,7 @@ timestamp() {
 pathadd() {
     for new_dir in ${@:2}
     do
-        eval dir_to_add=`echo ${new_dir}`
+        eval dir_to_add=$(echo ${new_dir})
         if [ ! -d ${dir_to_add} ]; then
             echo "WARNING: directory ${dir_to_add} NOT added to $1 because directory doesn't exist!"
         else
diff --git a/regressiontest/modelsim_regression_test_vhdl_cron.sh b/regressiontest/modelsim_regression_test_vhdl_cron.sh
index d2acd61c2d8a4f20c67b13619864e81d136503e2..31b60ac30545e67978d923447cf6cb0dc6818d60 100755
--- a/regressiontest/modelsim_regression_test_vhdl_cron.sh
+++ b/regressiontest/modelsim_regression_test_vhdl_cron.sh
@@ -66,65 +66,66 @@ git_hash_filename="${RADIOHDL_LOG_DIR}"/modelsim_previous_git_hash.txt
 [[ -f "${git_hash_filename}" ]] && git_prev_hash=$(cat "${git_hash_filename}")
 git_active_hash=$(git rev-parse HEAD)
 
-# make clean modelsim_build_list from given buildset_filename, skip lines starting with #
 echo ".. Read buildsets to check from: ${buildset_filename}"
-
-# Modelsim test for each line in 'modelsim_used_buildset_list.txt'
-while read -r line; do
-    if [ -n "${line}" ]; then
-        
-        # if line starts with # continue while (=~ is for regex)
-        [[ "$line" =~ ^# ]] && continue
-        
-        echo ". Next buildset in 'modelsim_buildset_list.txt' is '${line}'"
-        
-        buildset=$(echo "${line}" | cut -d " " -f1)
-        echo ".. Do all regressiontests for ${buildset}"
-
-        logfile="${RADIOHDL_LOG_DIR}/${buildset}/modelsim_regressiontest.log"
-        # Using > will start a new file
-        echo "Do all regressiontests for ${buildset}" > "${logfile}"
-        
-        # Delete tempory modelsim files '/tmp/VSOUT*'
-        echo ".. Remove old /tmp/VSOUT* files"
-        hdl_exec "$0" rm -f /tmp/VSOUT*  1>> "${logfile}" 2>&1
-
-        if [ "${git_active_hash}" == "${git_prev_hash}" ]; then
-            echo ".. Skip regression test, NO change in repository"
-            # Send nothing changed mail (-n option)
-            echo ".. Call modelsim_regression_test_vhdl_mail --nochange"
-            hdl_exec "$0" modelsim_regression_test_vhdl_mail.py "${buildset}" --nochange  1>> "${logfile}" 2>&1
-            continue
-        fi
-
-        # Cleanup last build if exists
-        echo ".. Cleanup last build ${buildset}"
-        hdl_exec "$0" rm -rf "${HDL_BUILD_DIR:?}"/"${buildset}"  1>> "${logfile}" 2>&1
-
-        # Build all IP
-        echo ".. Call compile_altera_simlibs"
-        hdl_exec "$0" compile_altera_simlibs "${buildset}" 1>> "${logfile}" 2>&1
-        echo ".. Call generate_ip_libs"
-        hdl_exec "$0" generate_ip_libs "${buildset}" 1>> "${logfile}" 2>&1
-
-        # re-create it with modelsim_config and quartus_config
-        echo ".. Call modelsim_config"
-        hdl_exec "$0" modelsim_config "${buildset}" 1>> "${logfile}" 2>&1
-        echo ".. Call quartus_config"
-        hdl_exec "$0" quartus_config "${buildset}" 1>> "${logfile}" 2>&1
-
-        # Perform the regression test and put the output in a log file
-        # -p 4: number of simultaneously test processes, each process needs a license
-        echo ".. Call modelsim_regression_test_vhdl"
-        hdl_exec "$0" modelsim_regression_test_vhdl.py "${buildset}" -p 2 1>> "${logfile}" 2>&1
-
-        # Read the log file en send the result email
-        echo ".. Call modelsim_regression_test_vhdl_mail"
-        hdl_exec "$0" modelsim_regression_test_vhdl_mail.py "${buildset}" 1>> "${logfile}" 2>&1
-
-    fi
+# array with builsets
+buildsets=()
+while read -r line;
+do
+    # skip empty lines and lines starting with #
+    [[ -z "$line" ]] && continue
+    [[ "$line" =~ ^# ]] && continue
+    # get firts word of line
+    buildset=$(echo "${line}" | cut -d " " -f1)
+    buildsets+=("${buildset}")
 done < ${buildset_filename}
 
+# Modelsim test for each line in 'modelsim_buildset_list.txt'
+for buildset in "${buildsets[@]}";
+do
+    echo ".. Do all regressiontests for ${buildset}"
+
+    logfile="${RADIOHDL_LOG_DIR}/${buildset}/modelsim_regressiontest.log"
+    # Using > will start a new file
+    echo "Do all regressiontests for ${buildset}" > "${logfile}"
+    
+    # Delete tempory modelsim files '/tmp/VSOUT*'
+    echo ".. Remove old /tmp/VSOUT* files"
+    hdl_exec "$0" rm -f /tmp/VSOUT*  1>> "${logfile}" 2>&1
+
+    # if [ "${git_active_hash}" == "${git_prev_hash}" ]; then
+    #     echo ".. Skip regression test, NO change in repository"
+    #     # Send nothing changed mail (-n option)
+    #     echo ".. Call modelsim_regression_test_vhdl_mail --nochange"
+    #     hdl_exec "$0" modelsim_regression_test_vhdl_mail.py "${buildset}" --nochange  1>> "${logfile}" 2>&1
+    #     continue
+    # fi
+
+    # # Cleanup last build if exists
+    # echo ".. Cleanup last build ${buildset}"
+    # hdl_exec "$0" rm -rf "${HDL_BUILD_DIR:?}"/"${buildset}"  1>> "${logfile}" 2>&1
+
+    # # Build all IP
+    # echo ".. Call compile_altera_simlibs"
+    # hdl_exec "$0" compile_altera_simlibs "${buildset}" 1>> "${logfile}" 2>&1
+    # echo ".. Call generate_ip_libs"
+    # hdl_exec "$0" generate_ip_libs "${buildset}" 1>> "${logfile}" 2>&1
+
+    # # re-create it with modelsim_config and quartus_config
+    # echo ".. Call modelsim_config"
+    # hdl_exec "$0" modelsim_config "${buildset}" 1>> "${logfile}" 2>&1
+    # echo ".. Call quartus_config"
+    # hdl_exec "$0" quartus_config "${buildset}" 1>> "${logfile}" 2>&1
+
+    # # Perform the regression test and put the output in a log file
+    # # -p 4: number of simultaneously test processes, each process needs a license
+    # echo ".. Call modelsim_regression_test_vhdl"
+    # hdl_exec "$0" modelsim_regression_test_vhdl.py "${buildset}" -p 3 1>> "${logfile}" 2>&1
+
+    # # Read the log file en send the result email
+    # echo ".. Call modelsim_regression_test_vhdl_mail"
+    # hdl_exec "$0" modelsim_regression_test_vhdl_mail.py "${buildset}" 1>> "${logfile}" 2>&1
+done
+
 # save hash for next run
 echo "${git_active_hash}" > "${git_hash_filename}"
 echo "done"