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Chapter 4 - Syntax Summary URL Syntax
FTP Adapter Reference Guide
32
an at sign (
@). Within the user and password field, any :, @, or /
characters must be encoded. See URL Encoding.
The
url_path of an FTP URL has the following syntax:
cwd1/cwd2/.../cwdN/name;type= xfer_type
where
cwd1 through cwdN and name are (possibly encoded) strings and
xfer_type is one of the characters
a, i, or d. The part ;type= xfer_type may be
omitted. The
cwdx and name parts may be empty. The whole url_path may be
omitted, including the
/, delimiting it from the prefix containing user, password,
host, and port.
The
url_path is interpreted as a series of FTP commands as follows:
♦ Each
cwd element is to be sequentially supplied as the argument to a CWD
(change working directory) command.
♦ If the typecode is “
d”, perform a NLST (name list) command with name as the
argument and interpret the results as a file directory listing.
♦ Otherwise, perform a
TYPE command with xfer_type as the argument and
then access the file named
name (for example, using the RETR command).
Note The xfer_type argument has been extended beyond what is supported by the
RFC, specifically the D1, D2, D3, and D4 sections. Also, host:port may be
excluded, although it is rarely useful to do so; host defaults to localhost.