--- c: Copyright (C) Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: form-string Help: Specify multipart MIME data Protocols: HTTP SMTP IMAP Arg: Category: http upload Added: 7.13.2 Multi: append See-also: - form Example: - --form-string "data" $URL --- # `--form-string` Similar to --form except that the value string for the named parameter is used literally. Leading '@' and '<' characters, and the ';type=' string in the value have no special meaning. Use this in preference to --form if there is any possibility that the string value may accidentally trigger the '@' or '<' features of --form.