check_packages2install - update docs

check_packages2install

@@ -148,7 +148,8 @@ function _detectPkgManager(){
 # ----------------------------------------------------------------------
 
 # show grouped packages by category
-# OOPS: uses global vars :-/
+# global  string  dir_filter     directory where to find filters
+# global  string  packagemanOut  output of update lister command
 function showFilteredPackages(){
 
   # filtered package view
@@ -159,8 +160,7 @@ function showFilteredPackages(){
       filterAll=""
 
       # show filtered view
-      local _selfdir=$( dirname "$0" )
-      for filterfile in $( find $dir_filter -name "*txt" | sort )
+      for filterfile in $( find "$dir_filter" -name "*txt" | sort )
       do
           # get group name from filename
           filtername=$( echo "$filterfile" | rev | cut -f 1 -d "/" | rev | sed "s#.txt\$##g" | sed "s#^[0-9]*_##g" )
@@ -221,6 +221,7 @@ if [ -z "$pkgmanager" ]; then
   ph.abort "UNKNOWN: the package manager was not detected/ is not supported."
 fi
 
+# load functions for the detected package manager
 . "${dir_pkg}/${pkgmanager}.sh" || exit 2
 
 packagemanOut=$( ${pkgmanager}GetUpdates )

check_packages2install-pkgmanager/pamac.sh

@@ -19,6 +19,7 @@ function pamacGetUpdates(){
 
 # ---------------------------------------------------------------
 # extract list of packages 2 install
+# global  string  packagemanOut  output of update lister command
 function pamacPackages(){
      echo "$packagemanOut" | grep -- '->'
 }

check_packages2install-pkgmanager/yum.sh

@@ -41,7 +41,7 @@ function yumStatus(){
 }
 
 # ---------------------------------------------------------------
-# extract count of critical 
+# extract count of critical packages
 # param  string  text to extract critical counter from
 function yumCritical(){
   local summary="$1"