Update quota2percent_ to V17.0214

Following some idea of "Sumpfralle!

plugins/disk/quota2percent_

@@ -19,7 +19,7 @@ The following is the default configuration
   [quota2percent_*]
   user root
 
-You could define two alert levels and the graph language
+You could define two alert levels, the graph language, min. human UID and dealing with system users
 
   [quota2percent_*]
   env.warning   [value]        (default: 90)
@@ -52,33 +52,31 @@ I<<<  ln -s /<path to file>/quota2percent_  quota2percent_sdb1 >>>
 
 =head1 VERSION
 
-17.0213
+17.0214
 
 =head1 HISTORY
 
-V17.0213
+V17.0214
 
+  fix    hard reading logic operation for skipping by Low_UID=never
   fix    some slips
+  fix    some nitpicking details
+
   add    env.low_uid
-
-V17.0210
-
   add    env.humanid
+  add    env.language
   add    check if device exist
   add    if no limitations administered via 'quota' for the device the total line is shown only
-  fix    some nitpicking details
+  add    a few comments
-  add    some comments
-
-V17.0131
-
   add    POD documentation
-  add    env.language
   add    example graph for Munin Plugin Gallery
+
+  remove setting a PATH
   remove German comments  
 
 V17.0124
 
-  first version, not munin rules conform
+  not pubish, first version
 
 =head1 AUTHOR
 
@@ -123,9 +121,6 @@ GPLv2 (L<http://www.gnu.org/licenses/gpl-2.0.html>)
      Min_UID=${humanuid:-1000}
      Low_UID=${low_uid:-never}
 
-# Ensure that the 'root' path is valid
-  PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
-
 # Checking if repquota installed and on the path
   if ! repquota -V &> /dev/null ; then
      echo "The script 'repquota' is not installed or on the path" >&2
@@ -151,8 +146,12 @@ GPLv2 (L<http://www.gnu.org/licenses/gpl-2.0.html>)
      readarray Quotas < <( repquota "/dev/$Id" | grep " -- " )
   else
      echo "No limitations administered via 'quota' for $Id" >&2
-     # If no limitatitons administered: create a dummy
+
+   # If no limitatitons administered: create a dummy for regarding
+   # the avoidance of a divide-by-zero error
      Quotas[0]="root -- 1 1 1 1 1 1"
+
+   # no rrd file need 
      Low_UID="never"
   fi
 
@@ -173,16 +172,16 @@ GPLv2 (L<http://www.gnu.org/licenses/gpl-2.0.html>)
           de)
             echo "graph_title    Quota-Hard-Limit von $Id"
             echo "graph_vlabel   Nutzung in % Hardlimit"
-            echo "graph_info     Die Grafik zeigt die Belegung des durch Quota reglementierten Speicherplatzes für alle regulären Nutzer (UID >= $Min_UID) in Prozent des Hardlimits."
+            echo "graph_info     Die Grafik zeigt die Belegung des durch Quota reglementierten Speicherplatzes für alle regulären Nutzer (UID >= $Min_UID) in Prozent des Hardlimits."
             Total_txt="Su. aller Nutzer"
             Total_info="Inklusive Systemnutzer (UID < $Min_UID)"
             ;;
           es) 
-            echo "graph_title    Cuota de límite absoluto de $Id" 
+            echo "graph_title    Cuota de límite absoluto de $Id" 
-            echo "graph_vlabel   el % de uso del límite duro" 
+            echo "graph_vlabel   el % de uso del límite duro" 
-            echo "graph_info     El gráfico muestra la disponibilidad de espacio regulado por cuotas para todos los usuarios regulares (UID >= $Min_UID) como porcentaje de límites duros."
+            echo "graph_info     El gráfico muestra la disponibilidad de espacio regulado por cuotas para todos los usuarios regulares (UID >= $Min_UID) como porcentaje de límites duros."
             Total_txt="Suma de todos los usuarios "
-            Total_info="La inclusión de usuario del sistema (UID < $Min_UID) "
+            Total_info="La inclusión de usuario del sistema (UID < $Min_UID) "
             ;;
            *)
             echo "graph_title    quota hard limit of $Id"
@@ -210,16 +209,15 @@ GPLv2 (L<http://www.gnu.org/licenses/gpl-2.0.html>)
          Cur_UID="$(id -u "$User")"
 
        # skip if actual user a system user und low_uid ist set to never  
-         if [ ! "$Low_UID" == "never" ] || [ ! "$Cur_UID" -lt "$Min_UID" ]; then
+         [ "$Cur_UID" -lt "$Min_UID" ] && [ "$Low_UID" = "never" ] && continue
          
-          # No graph for none human uid if low_uid ist set to no
+       # No graph for none human uid if low_uid ist set to no
-            [ "$Cur_UID" -lt "$Min_UID" ] && echo "$Fieldname.graph    $Low_UID"
+         [ "$Cur_UID" -lt "$Min_UID" ] && echo "$Fieldname.graph    $Low_UID"
 
-          # configure the user lines
+       # configure the user lines
-            echo "$Fieldname.label    $User"
+         echo "$Fieldname.label    $User"
-            echo "$Fieldname.warning  $Warning"
+         echo "$Fieldname.warning  $Warning"
-            echo "$Fieldname.critical $Critical"
+         echo "$Fieldname.critical $Critical"
-          fi
  
        done
 
@@ -241,9 +239,10 @@ GPLv2 (L<http://www.gnu.org/licenses/gpl-2.0.html>)
     Fieldname="$(clean_fieldname "${Quota[0]}")"
 
   # skip if actual user a system user und low_uid ist set to never  
-    if [ ! "$Low_UID" == "never" ] || [ ! "$(id -u "${Quota[0]}")" -lt "$Min_UID" ]; then
+    [ "$Cur_UID" -lt "$Min_UID" ] && [ "$Low_UID" = "never" ] && continue
-       echo "${Quota[2]} ${Quota[4]} $Fieldname.value" | awk '{printf "%s %f\n",$3,$1*100/$2}'
+
-    fi
+  # write the result zu munin 
+    echo "${Quota[2]} ${Quota[4]} $Fieldname.value" | awk '{printf "%s %f\n",$3,$1*100/$2}'
 
   done