Get Emails - BASH

#! /bin/bash
# Script Name: get-all-emails.sh


# Email Address extraction script to get Thunderbird EMail addresses from email files.

# Get current directory
DIR="$( cd -P "$( dirname "$0" )" && pwd )"
curdir="$DIR";
suser="myuser";
regx1='^\(From\|To\|Cc\|CC\Bcc\|BCC\):';
regx2='[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}';
#file1="/home/${suser}/myfiles/all-addresses.txt";
#file2="/home/${suser}/myfiles/all-addresses.old.txt";
file1="/home/path/TBird/Rules/all-addresses.txt";
file2="/home/path/TBird/Rules/all-addresses.old.txt";
file3="/home/path/TBird/Rules/lf-addresses.txt";
file4="/home/path/TBird/Rules/g0-addresses.txt";
file5="/home/path/TBird/Rules/g1-addresses.txt";
#echo "C=>$curdir";

# Declare the Default Thunderbird dir
tbdir="/home/${suser}/.thunderbird";
tbfnd=`find /home/${suser}/ -type f -iname ".*" | grep thunderbird`;
tbidx=`expr index "$tbfnd" '.'`;
tbidx=$(($tbidx+12));
# echo "FD=> ${tbfnd} PS=> ${tbidx}";
tbnst=${tbfnd:${tbidx}};
tbsdx=`expr index "$tbnst" '.'`;
tbsdx=$(($tbsdx+7));
# echo "NS=> ${tbnst} SS=> ${tbsdx}";
tbpdr=${tbnst:0:${tbsdx}};
#echo "DR=> ${tbpdr}";
tbfdr="${tbdir}/${tbpdr}";
#echo "FD=> ${tbfdr}";

# Declare the "Local Folders" dir
lcmail="${tbfdr}/Mail/Local Folders";
#echo "LF=> ${lcmail}";
cd "${lcmail}";
echo "Processing Local Folders!";

# Run the grep statement to get the addresses
grep $regx1 * | grep -o -E $regx2 | sort -f | uniq -i > $file3;
grep $regx1 Archives | grep -o -E $regx2 | sort -f | uniq -i >> $file3;
grep $regx1 Drafts | grep -o -E $regx2 | sort -f | uniq -i >> $file3;
grep $regx1 Sent | grep -o -E $regx2 | sort -f | uniq -i >> $file3;
grep $regx1 Trash | grep -o -E $regx2 | sort -f | uniq -i >> $file3;
grep $regx1 'Unsent Messages' | grep -o -E $regx2 | sort -f | uniq -i >> $file3;

# Declare the gmail.com dir for Thunderbird
gm0="${tbfdr}/ImapMail/imap.googlemail.com";
#echo "GM0=> ${gm0}";
cd "${gm0}";
echo "Processing GMail 0!";

grep $regx1 * | grep -o -E $regx2 | sort -f | uniq -i > $file4;
grep $regx1 INBOX | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 Junk | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 Sent-1 | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
gm0g="${tbfdr}/ImapMail/imap.googlemail.com/[Gmail].sbd";
#echo "GMG=> ${gm0g}";
cd "${gm0g}";
grep $regx1 * | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 '@Corp' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 '@Marketing' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'All Mail' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Blogs' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Bots &- Scrubs' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Customers' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Drafts' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Fiduciary &- Legal' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Important' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Job Search' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Ministry' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Partner &- Subcontract Sources' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Personal' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Projects' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Sent Mail' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'SEO &- SMO Sources' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Support' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Telecom Tech Jobs' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Training &- Education' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Trash' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;
grep $regx1 'Work' | grep -o -E $regx2 | sort -f | uniq -i >> $file4;

# Declare the IMapMail dir for Thunderbird
gm1="${tbfdr}/ImapMail/imap.googlemail-1.com";
echo "GM1=> ${gm1}";
cd "${gm1}";
echo "Processing GMail 1!";

grep $regx1 * | grep -o -E $regx2 | sort -f | uniq -i > $file5;
grep $regx1 INBOX | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
gm1g="${tbfdr}/ImapMail/imap.googlemail-1.com/[Gmail].sbd";
echo "GMG=> ${gm1g}";
cd "${gm1g}";
grep $regx1 * | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 '@Marketing' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'All Mail' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'C-Level' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'DaviSoft Recruiting' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'Drafts' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'Important' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'Ministry' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'Products &- Vendors' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;
grep $regx1 'Sent Mail' | grep -o -E $regx2 | sort -f | uniq -i >> $file5;

# Sort the output for unique addresses
cat $file3 $file4 $file5 > $file2;
sort $file2 | uniq -u > $file1;

# Change back to current directory
cd "$curdir";

echo "Output in ${file1}";
nano ${file1};


Extra Code:

# Get all pertainent directories
t_filter='(googlemail|gmail|"local folders")';
t_exclude='dropbox'
ray_cnt=0;
declare -a output;
dirs=$(find / -type d | grep -i thunderbird | grep -i "${t_filter}" | grep -iEv ${t_exclude});
for dir in ${dirs}; do
    output[${ray_cnt}]=${dir};
    let ray_cnt=$ray_cnt+1;
done;