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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
email -s SUBJECT ADDRESS... < BODY
email -h
EOF
}
help() {
cat <<-'EOF'
Options:
-s SUBJECT the email subject
-h, --help show this message
ADDRESS the email addresses to send the email to
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
EOF
}
for flag in "$@"; do
case "$flag" in
--)
break
;;
--help)
usage
help
exit
;;
*)
;;
esac
done
while getopts 's:h' flag; do
case "$flag" in
s)
SUBJECT="$OPTARG"
;;
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
eval "$(assert-arg "${SUBJECT:-}" '-s SUBJECT')"
eval "$(assert-arg "${1:-}" 'ADDRESS')"
printf 'Content-Type: text/plain; charset=UTF-8\nSubject: %s\n\n%s' \
"$(echo "$SUBJECT" | tr -d '\n')" \
"$(cat)" |
msmtpq -a euandreh "$@"
|
