#!/bin/bash
# < alexiobash (at) gmail (dot) com >
# cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 12 | head -n 1
# cat /dev/urandom | tr -dc 'a-zA-Z0-9-_!@$&*+?' | fold -w 12 | head -n 1
# cat /dev/urandom | tr -dc 'a-zA-Z0-9-_!@#$%^&*()+[]|:<>?=' | fold -w $carat | grep -i '[_!@#$%^&*()+|:<>?=]' | head -n 1

ver="0.0.3 beta"
dir_passwd=/path/to/password/file
carat=12
username=YourUsername
new_passwd_user=`cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $carat | head -n 1`
sender_mail="alexiobash@gmail.com"

expect <<EOF
spawn htdigest -c $dir_passwd/passwd_webdav Secret-Area $username
expect "New password:"
send "$new_passwd_user\r"
expect "Re-type new password:"
send "$new_passwd_user\r"
expect eof
exit
EOF

echo Webdav Credenzial are changed in:      > ~/.New_passwd.txt
echo Username: $username            >> ~/.New_passwd.txt
echo Password: $new_passwd_user         >> ~/.New_passwd.txt
mutt -s "Password Changed" -- $sender_mail < ~/.New_passwd.txt

rm -f ~/.New_passwd.txt
rm -f ~/sent