diff --git a/tcar-scripts/tcar_getFilesList.sh b/tcar-scripts/tcar_getFilesList.sh
index 3f43952..1a1fad9 100755
--- a/tcar-scripts/tcar_getFilesList.sh
+++ b/tcar-scripts/tcar_getFilesList.sh
@@ -29,66 +29,39 @@
 
 function tcar_getFilesList {
 
-    # Define short options.
-    local ARGSS=''
-
-    # Define long options.
-    local ARGSL='pattern:,mindepth:,maxdepth:,type:,uid:'
-
     # Initialize pattern used to reduce the find output.
     local PATTERN="${TCAR_FLAG_FILTER}"
 
     # Initialize options used with find command.
     local OPTIONS=''
 
-    # Initialize arguments with an empty value and set it as local
-    # variable to this function scope. Doing this is very important to
-    # avoid any clash with higher execution environments.
-    local TCAR_MODULE_ARGUMENT=''
-
-    # Process all arguments currently available in this function
-    # environment. If either ARGSS or ARGSL local variables have been
-    # defined, argument processing goes through getopt for validation.
-    tcar_setModuleArguments "${@}"
-
-    # Redefine positional parameters using TCAR_MODULE_ARGUMENT variable.
-    eval set -- "${TCAR_MODULE_ARGUMENT}"
+    OPTIND=1
+    while getopts "p:,a:,i:,t:,u:" OPTION "${@}"; do
 
-    while true;do
-        case "${1}" in
-
-            --pattern )
-                PATTERN="${2}"
-                shift 2
+        case "${OPTION}" in
+            p )
+                PATTERN="${OPTARG}"
                 ;;
-
-            --maxdepth )
-                OPTIONS="${OPTIONS} -maxdepth ${2}"
-                shift 2
+            a )
+                OPTIONS="${OPTIONS} -maxdepth ${OPTARG}"
                 ;;
-
-            --mindepth )
-                OPTIONS="${OPTIONS} -mindepth ${2}"
-                shift 2
+            i )
+                OPTIONS="${OPTIONS} -mindepth ${OPTARG}"
                 ;;
-
-            --type )
-                OPTIONS="${OPTIONS} -type ${2}"
-                shift 2
-                ;;
-
-            --uid )
-                OPTIONS="${OPTIONS} -uid ${2}"
-                shift 2
+            t )
+                OPTIONS="${OPTIONS} -type ${OPTARG}"
                 ;;
-
-            -- )
-                shift 1
-                break
+            u )
+                OPTIONS="${OPTIONS} -uid ${OPTARG}"
                 ;;
         esac
+
     done
 
+    # Clean up positional parameters to reflect the fact that options
+    # have been processed already.
+    shift $(( ${OPTIND} - 1 ))
+
     # At this point all options arguments have been processed and
     # removed from positional parameters. Only non-option arguments
     # remain so we use them as source location for find command to
diff --git a/tcar-scripts/tcar_setModuleEnvironmentScripts.sh b/tcar-scripts/tcar_setModuleEnvironmentScripts.sh
index 728ac63..bd9df2f 100755
--- a/tcar-scripts/tcar_setModuleEnvironmentScripts.sh
+++ b/tcar-scripts/tcar_setModuleEnvironmentScripts.sh
@@ -37,8 +37,9 @@ function tcar_setModuleEnvironmentScripts {
     local TCAR_MODULE_SCRIPTS="${TCAR_MODULE_INIT_FILE}"
     if [[ -d ${TCAR_MODULE_DIR} ]];then
         TCAR_MODULE_SCRIPTS="${TCAR_MODULE_SCRIPTS}
-            $(tcar_getFilesList ${TCAR_MODULE_DIR} \
-            --pattern="${TCAR_MODULE_DIR}/${TCAR_MODULE_NAME}_[[:alnum:]]+\.sh$" --type='f')"
+            $(tcar_getFilesList \
+                -p "${TCAR_MODULE_DIR}/${TCAR_MODULE_NAME}_[[:alnum:]]+\.sh$" \
+                -t 'f' ${TCAR_MODULE_DIR})"
     fi
 
     # Verify the list of files. If no function file exists for the