$ cat recipients.txt
age1lz0vhyg9y3k880cqscuh4hyfv0xdl7qnjqrlcz8euxc4a5d6eagsjhl6vc
age17hxnhlkq9ewhq594s3jf8c2e36n7gfg5mvefn0f3jqsfk76m6geszmywxr
age1ll9j2fr6nsdzmnqwk8qru9nx20sj264978jwswpnwq0nwnj4ayrsyugyqx
age160amxp02vl8w5e4z5tvvcmpdtjhdzkh20s3r9gqtzwufgyucreyqm6vw0y
age1xlauzza8tgn6l7e3ympwkps8tnt9psmpjj6jl0qfnfwkxkn7l4ws3s9xar

$ echo 'Hello age' | go run ./cmd/age -a -R recipients.txt -o encrypted.age.ascii

$ go run ./cmd/age --inspect encrypted.age.ascii | jq .
{
  "RecipientCounts": {
    "X25519": 5
  },
  "Version": "age-encryption.org/v1",
  "PayloadSize": 42
}