Add list-add & list-remove to blitz.conf.sh (#3334)

home.admin/config.scripts/blitz.conf.sh

@@ -7,6 +7,8 @@ if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ] || [ "$1" = "-help" ];
   echo "RaspiBlitz Config Edit - adds value to file & cache and creates entries if needed:"
   echo "blitz.conf.sh set [key] [value] [?conffile] <noquotes>"
   echo "blitz.conf.sh delete [key] [?conffile]"
+  echo "blitz.conf.sh list-add [key] [value] [?conffile]"
+  echo "blitz.conf.sh list-remove [key] [value] [?conffile]"
   echo "note: use quotes and escape special characters for sed"
   echo
   exit 1
@@ -77,6 +79,100 @@ elif [ "$1" = "delete" ]; then
   # delete value
   sudo sed -i "/^${keystr}=/d" ${configFile} 2>/dev/null
 
+elif [ "$1" = "list-add" ]; then
+
+  # get parameters
+  keystr=$2
+  valuestr=$(echo "${3}" | sed 's/\//\\\//g')
+  configfileAlternative=$4
+
+  # check that key & value are given
+  if [ "${keystr}" == "" ] || [ "${valuestr}" == "" ]; then
+    echo "# blitz.conf.sh $@"
+    echo "# FAIL: missing parameter"
+    exit 1
+  fi
+
+  # optional another configfile
+  if [ "${configfileAlternative}" != "" ]; then
+    configFile="${configfileAlternative}"
+  fi
+
+  # check if key needs to be added (prepare new entry)
+  entryExists=$(grep -c "^${keystr}=" ${configFile})
+  if [ ${entryExists} -eq 0 ]; then
+    echo "${keystr}=" | sudo tee -a ${configFile} 1>/dev/null
+  fi
+
+  # get list value
+  source ${configFile}
+  listvalues="${!keystr}"
+  echo "# old listvalues(${listvalues})"
+
+  # convert list values to array
+  listvalues=($listvalues)
+  echo "# number of elements(${#listvalues[@]})"
+
+  # prevent double entries
+  for value in "${listvalues[@]}"
+  do
+     if [ "${value}" == "${valuestr}" ]; then
+      echo "# blitz.conf.sh --> value(${valuestr}) already part of list with key(${keystr})"
+      exit 1
+     fi
+  done
+
+  # add value to list
+  listvalues+=("${valuestr}")
+  
+  # set updated value (make sure to be in single quotes)
+  listvalues=$( IFS=$' '; echo "${listvalues[*]}" )
+  echo "# new listvalues(${listvalues})"
+  sudo sed -i "s/^${keystr}=.*/${keystr}='${listvalues}'/g" ${configFile}
+
+elif [ "$1" = "list-remove" ]; then
+
+  # get parameters
+  keystr=$2
+  valuestr=$(echo "${3}" | sed 's/\//\\\//g')
+  configfileAlternative=$4
+
+  # check that key & value are given
+  if [ "${keystr}" == "" ] || [ "${valuestr}" == "" ]; then
+    echo "# blitz.conf.sh $@"
+    echo "# FAIL: missing parameter"
+    exit 1
+  fi
+
+  # optional another configfile
+  if [ "${configfileAlternative}" != "" ]; then
+    configFile="${configfileAlternative}"
+  fi
+
+  # get list value
+  source ${configFile}
+  listvalues="${!keystr}"
+  echo "# old listvalues(${listvalues})"
+
+  # convert list values to array
+  listvalues=($listvalues)
+  echo "# number of elements(${#listvalues[@]})"
+
+  # sort old value out
+  newlistvalues=()
+  for value in "${listvalues[@]}"
+  do
+     if [ "${value}" != "${valuestr}" ]; then
+      newlistvalues+=("${value}")
+     fi
+  done
+
+  # set updated value (make sure to be in single quotes)
+  listvalues=$( IFS=$' '; echo "${newlistvalues[*]}" )
+  echo "# new listvalues(${listvalues})"
+  sudo sed -i "s/^${keystr}=.*/${keystr}='${listvalues}'/g" ${configFile}
+
 else
   echo "# FAIL: parameter not known - run with -h for help"
-fi
+fi
+