How do I send a file as an email attachment using Linux command line?

Question :

How do I send a file as an email attachment using Linux command line?,

Answer :

I’ve created a script that runs every night on my Linux server that uses mysqldump to back up each of my MySQL databases to .sql files and packages them together as a compressed .tar file. The next step I want to accomplish is to send that tar file through email to a remote email server for safekeeping. I’ve been able to send the raw script in the body an email by piping the backup text file to mailx like so:

$ cat mysqldbbackup.sql | mailx backup@email.com  

cat echoes the backup file’s text which is piped into the mailx program with the recipient’s email address passed as an argument.

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While this accomplishes what I need, I think it could be one step better, Is there any way, using shell scripts or otherwise, to send the compressed .tar file to an outgoing email message as an attachment? This would beat having to deal with very long email messages which contain header data and often have word-wrapping issues etc.

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None of the mutt ones worked for me. It was thinking the email address was part of the attachemnt. Had to do:

echo "This is the message body" | mutt -a "/path/to/file.to.attach" -s "subject of message" -- recipient@domain.com  

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Disclaimer :

The answers provided above are only to be used to guide the learning process. The questions above are open-ended questions, meaning that many answers are not fixed as above. I hope this article can be useful, Thank you