Comment (-COMMENT)

Use the Comment adapter command (-COMMENT) to specify the comment that appears in the encrypted or signed message's header. This adapter command corresponds to the --comment GnuPG command option.

-COMMENT " comment "

For example:

-COMMENT " Message signed with GnuPG "

When the -COMMENT adapter command is not present; the comment is omitted from the generated message.

When the comment value contains no white spaces, quotes can be omitted. However, note that on UNIX systems, the adapter does not support comments with white spaces. Replace the white spaces with other characters, for example, the underscore character '_', before passing it to the adapter.