shell - Cannot attach file and include a body while sending an email in Linux

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The command
below will send an email with a Subject and Body, but no Attachment. If I remove
< /usr/tmp/BODY_OF_EMAIL I receive the email with Subject
and Attachment, but no Body.

cat
            /usr/tmp/ATTACHMENT.xls | uuencode ATTACHMENT.xls | mailx -s "Subject of email!"
            emailaddress@company.com <
            /usr/tmp/BODY_OF_EMAIL

/usr/tmp/BODY_OF_EMAIL
contains the text "Email Body."

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class="normal">Answer

Using
mailx:

(cat
            /usr/tmp/BODY_OF_EMAIL;
 echo; 
 uuencode ATTACHMENT.xls <
            /usr/tmp/ATTACHMENT.xls ) | 
 mailx -s "Subject of email!"
            emailaddress@company.com

Using
nail:

nail
            -s "Subject of email!" -a /usr/tmp/ATTACHMENT.xls emailaddress@company.com <
            /usr/tmp/BODY_OF_EMAIL

The
nail mailer is sometimes installed as
mail, but it understands MIME, for real
attachments.