Shell Programming and Scripting

#!/bin/bash
HOST=ftp.example.com
USER=ftpuser
PASSWORD=P@ssw0rd
 
ftp -inv $HOST <<EOF
user $USER $PASSWORD
cd /path/to/file
mput *.html
bye
EOF

FTP Login successful
...

#!/bin/bash
HOST=ftp.example.com
USER=ftpuser
PASSWORD=P@ssw0rd
logfile=/path/to/logs/filename.$$
 
ftp -inv $HOST <<EOF > $logfile
user $USER $PASSWORD
cd /path/to/file
mput *.html
bye
EOF

logfile="/path/to/logs/filename.$(date +%Y%m%d_%T)"             # Time stamp is YYYYMoDD_HH:Mi:SS
logfile="/path/to/logs/filename.$(date +%s)"                    # Time is in seconds from the Epoch
logfile="/path/to/logs/filename.$(date +%s.%N)"                 # Time is in nano seconds from the Epoch