1 files changed, 73 insertions, 0 deletions
diff --git a/bin/email b/bin/email
new file mode 100755
index 0000000..87d1cec
--- /dev/null
+++ b/bin/email
@@ -0,0 +1,73 @@
+#!/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 "$@"