Tidying zram

src/freedombone-vars

 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-DEFAULT_LANGUAGE=$(echo $LANG)
+DEFAULT_LANGUAGE=$LANG
 
-if [ ! $PROJECT_NAME ]; then
+if [ ! "$PROJECT_NAME" ]; then
     PROJECT_NAME='freedombone'
 fi
 
 SOCIALINSTANCE=
 
 # include utils
-UTILS_FILES=/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*
+UTILS_FILES="/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*"
 for f in $UTILS_FILES
 do
-    source $f
+    source "$f"
 done
 
 # include base system apps
-BASE_SYSTEM_FILES=/usr/share/${PROJECT_NAME}/base/${PROJECT_NAME}-base-*
+BASE_SYSTEM_FILES="/usr/share/${PROJECT_NAME}/base/${PROJECT_NAME}-base-*"
 for f in $BASE_SYSTEM_FILES
 do
-    source $f
+    source "$f"
 done
 
 #include apps
-APP_FILES=/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*
+APP_FILES="/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*"
 for f in $APP_FILES
 do
-    source $f
+    source "$f"
 done
 
 # optionally specify your name to appear on the blog

src/freedombone-zram

 DAEMON_FILENAME=/etc/systemd/system/zram.service
 
 function zram_daemon {
-  echo '[Unit]' > $DAEMON_FILENAME
-  echo 'Description=Zeronet Server' >> $DAEMON_FILENAME
-  echo 'After=syslog.target' >> $DAEMON_FILENAME
-  echo 'After=network.target' >> $DAEMON_FILENAME
-  echo '[Service]' >> $DAEMON_FILENAME
-  echo 'Type=simple' >> $DAEMON_FILENAME
-  echo 'User=zram' >> $DAEMON_FILENAME
-  echo 'Group=zram' >> $DAEMON_FILENAME
-  echo 'WorkingDirectory=' >> $DAEMON_FILENAME
-  echo "ExecStart=${PROJECT_NAME}-zram on" >> $DAEMON_FILENAME
-  echo '' >> $DAEMON_FILENAME
-  echo '[Install]' >> $DAEMON_FILENAME
-  echo 'WantedBy=multi-user.target' >> $DAEMON_FILENAME
-
+    { echo '[Unit]';
+      echo 'Description=Zeronet Server';
+      echo 'After=syslog.target';
+      echo 'After=network.target';
+      echo '[Service]';
+      echo 'Type=simple';
+      echo 'User=zram';
+      echo 'Group=zram';
+      echo 'WorkingDirectory=';
+      echo "ExecStart=${PROJECT_NAME}-zram on";
+      echo '';
+      echo '[Install]';
+      echo 'WantedBy=multi-user.target'; } >> $DAEMON_FILENAME
 }
 
 function zram_on {
 
         # initialize the devices
         for i in $(seq 0 $decr_num_cpus); do
-            echo $((mem_total / num_cpus)) > /sys/block/zram$i/disksize
+            echo $((mem_total / num_cpus)) > "/sys/block/zram$i/disksize"
         done
 
         # Creating swap filesystems
         for i in $(seq 0 $decr_num_cpus); do
-            mkswap /dev/zram$i
+            mkswap "/dev/zram$i"
         done
 
         # Switch the swaps on
         for i in $(seq 0 $decr_num_cpus); do
-            swapon -p 100 /dev/zram$i
+            swapon -p 100 "/dev/zram$i"
         done
 
         zram_daemon
 
         # Switching off swap
         for i in $(seq 0 $decr_num_cpus); do
-            if [ "$(grep /dev/zram$i /proc/swaps)" != "" ]; then
-                swapoff /dev/zram$i
+            if [ "$(grep "/dev/zram$i" /proc/swaps)" != "" ]; then
+                swapoff "/dev/zram$i"
                 sleep 1
             fi
         done
     exit 0
 }
 
-if [ ! $1 ]; then
+if [ ! "$1" ]; then
     show_help
 else
     if [[ "$1" == "on" || "$1" == "enable" || "$1" == "yes" ]]; then