Shell Programming and Scripting

#!/bin/bash

#some variables
CURPATH=`dirname $0`
CSV=$CURPATH/output.csv
HNS=$CURPATH/standard_hosts.txt
GROUPS=$CURPATH/groups.csv
DOMAINS=$CURPATH/domains.txt


if [ -f $CSV ];
then
        rm $CSV
        echo "Deleted old CSV"
fi

if [ -f $HNS ];
then
        rm $HNS
        echo "Deleted old standard_hosts.txt"
fi


#Convert useless HTM file into a csv file

tr -d '\t' < $1 | sed 's/<.*>//g' | sed '/^$/d' | tr '\n' ',' | perl -pe 's/,Entity/\nEntity/g' | sed 's/Entity name: //g' > $CSV


#Go through each line, and determine if it's a host, a subnet, a group, or a domain object. Yes, I'm sure there are easier ways to do this, but I'm after effective, not elegant.

#First, we grab all of the host objects.

cat  $CSV | egrep -v "Network Entity" | head | gawk -F, '

        {for (i=1;i<=NF;i++)
                {if (($i == "Network address") && ($(i+1) ~ /[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/))
                        {
                          {printf $1 >> $HNS};
                          {printf "," $(i+1)};
                          {NM = 0};
                          {for (j=1; j<=NF; j++)

                                  {if (($j == "Netmask") && ($(j+1)  ~ /[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/))
                                      {
                                          {print "," $(j+1) >> $HNS;}
                                          {NM = 1};
                                      }

                                  };

                        }
                        {if (NM == 0) {print ",255.255.255.255" >> $HNS}};

                        }
                else
                      {if (($i == "Network address") && ($(i+1) !~ /[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/))
                          {
                               {print "object network " $1 >> $DOMAINS; }

                               {print system("./dig.awk $1" $(i+1)) >> $DOMAINS ;}
                               {print "255.255.255.255" >> $DOMAINS;}

                          }

                      }

                }
        }'