# SHARED FUNCTIONS AND COMMANDS

# Test if config.cfg exists and set needed variables
if [ ! -e "$CURDIR"/config.cfg ]; then echo "Missing config.cfg file. Edit and rename config.cfg.sample"; exit 1; fi
source "$CURDIR"/config.cfg

# Create temp settings file
if [ ! -e "$TMP" ]; then
  touch "$TMP"
fi
source "$TMP"

# WRITE TMP
function wtmp {
  if [ "$1" = "" ]; then  # no argument given
    > $TMP
    echo "var_mailqueue_runs=$var_mailqueue_runs" >> $TMP
    echo "var_conn=$var_conn" >> $TMP
    echo "var_ip4=$var_ip4" >> $TMP
    echo "var_ip6=$var_ip6" >> $TMP
    echo "var_vpn=$var_vpn" >> $TMP
    echo "var_ns=$var_ns" >> $TMP
  else  # certain variables given, so only update these variables' values (avoids overlaps, esp. if status-misc.sh needs longer to be executed)
    NO=$#
    for ((i = 1; i <= $NO; i++)); do
      VAR_NAME=${!i} # variable name
      VAR_VAL=${!VAR_NAME}  # value of the variable's name
      
      if [ $(grep -q "^$VAR_NAME=" $TMP; echo $?) == 0 ] ; then   # variable already exists in status file
        sed -Ei "s/^$VAR_NAME=.*/$VAR_NAME=$VAR_VAL/" $TMP
      else
        echo "$VAR_NAME=$VAR_VAL" >> $TMP
      fi
        
    done
  fi
    
}