#!/bin/bash
mail_dir=$(realpath --relative-to=. "$(dirname "$0")/../mails")
-printf -v TARGET '%s/%(i%Y-%m-%d+%s)T.email' "$mail_dir" -1
+printf -v TARGET '%s/%(%Y-%m-%d+%s)T.email' "$mail_dir" -1
subject="$1"
shift
to="$1"
shift
+readarray -t cc < <(printf '%s\n' "$@" | sort -u)
+
+for i in "${!cc[@]}"; do
+ e=${cc[$i]##*<}
+ e=${e%%>*}
+ if grep -q -F "<$e>" <<<"$to"; then
+ unset "cc[$i]"
+ fi
+done
{
printf 'To: %s\n' "$to"
- printf 'Cc: %s\n' "$@"
+ if [ "${#cc[@]}" -gt 0 ]; then
+ printf 'Cc: %s\n' "${cc[@]}"
+ fi
printf 'Subject: %s\n\n' "$subject"
cat
} > "$TARGET"