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#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
email [-s SUBJECT] [-f FROM] [ADDRESS...] < BODY
email -h
EOF
}
help() {
cat <<-'EOF'
Options:
-s SUBJECT the email subject (default: "CLI email: No subject")
-f FROM the addr to send from (default: "eu@euandre.org")
-h, --help show this message
ADDRESS the email addresses to send the email to (default: "eu@euandre.org")
BODY the text to be sent as the body
Send an email to ADDRESS using BODY.
Examples:
Send 10 numbers to mail@example.com:
$ seq 10 | email -s number mail@email.com
Send a UUID using all defaults:
$ uuid | email
EOF
}
for flag in "$@"; do
case "$flag" in
(--)
break
;;
(--help)
usage
help
exit
;;
(*)
;;
esac
done
FROM='eu@euandre.org'
SUBJECT='CLI email: No subject'
while getopts 'f:s:h' flag; do
case "$flag" in
(f)
FROM="$OPTARG"
;;
(s)
SUBJECT="$OPTARG"
;;
(h)
usage
help
exit
;;
(*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
ADDRESS="$(printf '%s\n' "$@" | tr '\n' ',' | sed 's|,|, |g;s|, $||')"
{
cat <<-EOF
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: $FROM
To: ${ADDRESS:-eu@euandre.org}
Subject: $(printf '%s' "$SUBJECT" | tr -d '\n')
EOF
cat -
} | sendmail -tf "$FROM"
|
