֦i d Z ddlZddlZddlmZ g dZdZdZdZ G d d e Z G d
d e Z
G d d
e Z G d de Z G d de Z
e eefZdZdZ G d d Z ddlZej* Z G d de Zej1 d e eeej2 fZdad Z da d Z d Z d Z d Z!d d Z"d Z#e$d k( r e# yy# e$ r dZY 1w xY w)!aS An FTP client class and some helper functions.
Based on RFC 959: File Transfer Protocol (FTP), by J. Postel and J. Reynolds
Example:
>>> from ftplib import FTP
>>> ftp = FTP('ftp.python.org') # connect to host, default port
>>> ftp.login() # default, i.e.: user anonymous, passwd anonymous@
'230 Guest login ok, access restrictions apply.'
>>> ftp.retrlines('LIST') # list directory contents
total 9
drwxr-xr-x 8 root wheel 1024 Jan 3 1994 .
drwxr-xr-x 8 root wheel 1024 Jan 3 1994 ..
drwxr-xr-x 2 root wheel 1024 Jan 3 1994 bin
drwxr-xr-x 2 root wheel 1024 Jan 3 1994 etc
d-wxrwxr-x 2 ftp wheel 1024 Sep 5 13:43 incoming
drwxr-xr-x 2 root wheel 1024 Nov 17 1993 lib
drwxr-xr-x 6 1094 wheel 1024 Sep 13 19:07 pub
drwxr-xr-x 3 root wheel 1024 Jan 3 1994 usr
-rw-r--r-- 1 root root 312 Aug 1 1994 welcome.msg
'226 Transfer complete.'
>>> ftp.quit()
'221 Goodbye.'
>>>
A nice test that reveals some of the network dialogue would be:
python ftplib.py -d localhost -l -p -l
N)_GLOBAL_DEFAULT_TIMEOUT)FTP error_reply
error_temp
error_perm error_proto
all_errors c e Zd Zy)ErrorN__name__
__module__ __qualname__ /usr/lib64/python3.12/ftplib.pyr r 9 r r c e Zd Zy)r Nr r r r r r : r r r c e Zd Zy)r Nr r r r r r ; r r r c e Zd Zy)r Nr r r r r r < r r r c e Zd Zy)r Nr r r r r r = r r r
s
c X e Zd ZdZdZdZeZeZ dZ
dZ dZ dZ
dZddddedfddd Zd
Zd Zd2d Zd
Zd ZeZd Zd Zd Zd Zd Zd Z d Z d Z d Z d Z d Z!d Z"d Z#d Z$d Z%d3d Z&d3d Z'd4d Z(d5d!Z)d3d"Z*d6d#Z+d3d$Z,d% Z-d& Z.d' Z/dg fd(Z0d) Z1d* Z2d+ Z3d, Z4d- Z5d. Z6d/ Z7d0 Z8d1 Z9y)7r u An FTP client class.
To create a connection, call the class using these arguments:
host, user, passwd, acct, timeout, source_address, encoding
The first four arguments are all strings, and have default value ''.
The parameter ´timeout´ must be numeric and defaults to None if not
passed, meaning that no timeout will be set on any ftp socket(s).
If a timeout is passed, then this is now the default timeout for all ftp
socket operations for this instance.
The last parameter is the encoding of filenames, which defaults to utf-8.
Then use self.connect() with optional host and port argument.
To download a file, use ftp.retrlines('RETR ' + filename),
or ftp.retrbinary() with slightly different arguments.
To upload a file, use ftp.storlines() or ftp.storbinary(),
which have an open file as argument (see their definitions
below for details).
The download/upload functions first issue appropriate TYPE
and PORT or PASV commands.
r NTFutf-8encodingc || _ || _ || _ |r(| j | |r| j ||| yyy)zInitialization method (called by class instantiation).
Initialize host to localhost, port to standard ftp port.
Optional arguments are host (for connect()),
and user, passwd, acct (for login()).
N)r source_addresstimeoutconnectlogin)selfhostuserpasswdacctr# r" r s r __init__z FTP.__init__m sF !
, LL
4. r c | S Nr r& s r __enter__z
FTP.__enter__} s r c | j / | j | j | j y y y # t t f$ r Y 0w xY w# | j | j w w xY wr- )sockquitOSErrorEOFErrorclose)r& argss r __exit__z FTP.__exit__ sm 99
! 99(JJL )
! X&
99(JJL )s! = A A AA A1c X |dk7 r|| _ |dkD r|| _ |dk7 r|| _ | j | j s t d ||| _ t j d| | j | j t j | j | j f| j | j | _ | j j | _ | j j d| j | _ | j | _ | j S ) aw Connect to host. Arguments are:
- host: hostname to connect to (string, default previous host)
- port: port to connect to (integer, default previous port)
- timeout: the timeout to set against the ftp socket(s)
- source_address: a 2-tuple (host, port) for the socket to bind
to as its source address before connecting.
r r z0Non-blocking socket (timeout=0) is not supportedzftplib.connectr" rr )r' portr#
ValueErrorr" sysauditsocketcreate_connectionr1 familyafmakefiler filegetrespwelcome)r& r' r< r# r" s r r$ z FTP.connect s 2: DI !8 DI d?"DL << #DLL OP P %"0D "D$))TYY?,,dii-CT\\<@> +t}}T\\ : ;||r c || _ y)zSet the debugging level.
The required argument level means:
0: no debugging output (default)
1: print commands and responses but not body text etc.
2: also print raw lines read and sent before stripping CR/LFN)rI )r& levels r set_debuglevelzFTP.set_debuglevel s r c || _ y)zUse passive or active mode for data transfers.
With a false argument, use the normal PORT mode,
With a true argument, use the PASV command.N)
passiveserver)r& vals r set_pasvz FTP.set_pasv s !r c |d d dv r.t |j d }|d d d|dz
z z ||d z }t | S )N > pass PASS r *)lenrstriprepr)r& sis r rK z FTP.sanitize sP Ra5& &AHHV$%A"1QqS !AabE)AAwr c & d|v sd|v r t d t j d| | |t z }| j dkD rt d| j
| | j j |j | j y )N
z4an illegal newline character should not be containedzftplib.sendcmdr
z*put*) r= r> r? CRLFrI rJ rK r1 sendallencoder r& lines r putlinez FTP.putline ss 4<44< ST T "D$/d{ >>A '4==. / $++dmm45r c t | j rt d| j | | j | y )Nz*cmd*)rI rJ rK rf rd s r putcmdz
FTP.putcmd s' >>5$--*=> Tr c ` | j j | j dz }t | | j kD rt d| j z | j
dkD rt
d| j | |st |dd t k( r|d d }|S |dd t v r|d d }|S )Nr
got more than %d bytesz*get*)
rE readlinemaxlinerY r rI rJ rK r4 ra rd s r getlinez FTP.getline s yy!!$,,"23 t9t|| #04<<?@ @ >>A '4==. /N 9 9D "#Y$
9D r c | j }|dd dk( r2|d d } | j }|d|z z }|d d |k( r |dd dk7 r |S ,|S )N -r` )ro )r& re codenextlines r getmultilinezFTP.getmultiline sr ||~ !9 8D <<>th/BQ<4' 1
,
r c | j }| j rt d| j | |d d | _ |d d }|dv r|S |dk( r t | |dk( r t
| t | )Nz*resp*rq r
> 12345)rv rI rJ rK lastrespr r r )r& respcs r rF z FTP.getresp s~ " >> (DMM$ / 0 Ra
!H K 8 T" " 8 T" "$ r c L | j }|dd dk7 r t | |S )z%Expect a response beginning with '2'.Nr
ry )rF r r& r~ s r voidrespz FTP.voidresp s* ||~ 8s? d# # r c dt z }| j dkD rt d| j | | j j |t | j }|dd dvr t | |S )zAbort a file transfer. Uses out-of-band data.
This does not follow the procedure from the RFC to send Telnet
IP and Synch; that doesn't seem to work with the servers I've
tried. Instead, just send the ABOR command as OOB data. ABORr
z *put urgent*Nrq 225226426) B_CRLFrI rJ rK r1 rb MSG_OOBrv r r& re r~ s r abortz FTP.abort sn
>>A .$--"5 6 $( " 80 0 d# # r c D | j | | j S )z'Send a command and return the response.)rh rF r& cmds r sendcmdz FTP.sendcmd s C||~ r c D | j | | j S )z8Send a command and expect a response beginning with '2'.)rh r r s r voidcmdz FTP.voidcmd s C}} r c |j d }t |dz t |dz g}||z }ddj | z }| j | S )zUSend a PORT command with the current host and the given
port number.
. zPORT ,)splitr[ joinr )r& r' r< hbytespbytesbytesr s r sendportz FTP.sendport sU C tSy/4S>2'||C r c d}| j t j k( rd}| j t j k( rd}|dk( r t d dt | |t | dg}ddj
| z }| j | S )zESend an EPRT command with the current host and the given port number.r r
zunsupported address familyr zEPRT |)rC r@ AF_INETAF_INET6r r[ r r )r& r' r< rC fieldsr s r sendeprtz FTP.sendeprt* s~
77fnn $B 77foo %B
7 :; ;d2hd4j"5((||C r c t j d| j d }|j d }| j j d }| j t j
k( r| j
|| }n| j || }| j t ur|j | j |S )z3Create a new socket and send a PORT command for it.)r r r
)rB backlogr ) r@
create_serverrC getsocknamer1 r r r r# r
settimeout)r& r1 r< r' r~ s r makeportz FTP.makeport7 s ##GDGGQG !!$yy$$&q) 77fnn $==t,D==t,D << 6 6 OODLL ) r c P | j t j k( rPt | j d \ }}| j
r|}||fS | j j d }||fS t | j d | j j \ }}||fS )z (address, port)PASVr EPSV) rC r@ r parse227r trust_server_pasv_ipv4_addressr1 getpeernameparse229)r& untrusted_hostr< r' s r makepasvz FTP.makepasvD s 77fnn $#+DLL,@#A ND22%
Tz yy,,.q1 Tz "$,,v"6 8M8M8OPJD$Tzr c d}| j r| j \ }}t j ||f| j | j
} || j
d|z | j
| }|d dk( r| j }|d dk7 r t | n| j 5 }|| j
d|z | j
| }|d dk( r| j }|d dk7 r t | |j \ }} | j t ur|j | j ddd dd dk( r t | }|fS # |j xY w# 1 sw Y 6xY w) a Initiate a transfer over the data connection.
If the transfer is active, send a port command and the
transfer command, and accept the connection. If the server is
passive, send a pasv command, connect to it, and start the
transfer command. Either way, return the socket for the
connection and the expected size of the transfer. The
expected size may be None if it could not be determined.
Optional `rest' argument can be a string that is sent as the
argument to a REST command. This is essentially a server
marker used to tell the server to skip over any data up to the
given marker.
Nr: zREST %sr ry rx rq 150)rQ r r@ rA r# r" r rF r r5 r acceptr r parse150)
r& r restsizer' r< connr~ r1 sockaddrs
r ntransfercmdzFTP.ntransfercmdP so JD$++T4L$,,;?;N;NPD
#LLT!12||C( 7c> <<>D7c>%d++ " D#LLT!12||C(7c> <<>D7c>%d++!% h<<'>>OODLL1 ! 8u D>DTz'
s AE& 4BE<&E9<Fc , | j || d S )z0Like ntransfercmd() but returns only the socket.r )r )r& r r s r transfercmdzFTP.transfercmd s d+A..r c |sd}|sd}|sd}|dk( r |dv r|dz }| j d|z }|d dk( r| j d|z }|d dk( r| j d |z }|d d
k7 r t | |S ) zLogin, default anonymous. anonymousr > r rs z
anonymous@zUSER r rz rW ACCT ry r r )r& r( r) r* r~ s r r% z FTP.login s DFD ; 6Y#6 l*F||GdN+ 7c><<& 01D 7c><<$/D 7c> d# # r c Z | j d | j || 5 }|j | x}r || |j | x}r t t |t r|j ddd | j
S # 1 sw Y | j
S xY w)a Retrieve data in binary mode. A new port is created for you.
Args:
cmd: A RETR command.
callback: A single parameter callable to be called on each
block of data read.
blocksize: The maximum number of bytes to read from the
socket at one time. [default: 8192]
rest: Passed to transfercmd(). [default: None]
Returns:
The response code.
TYPE IN)r r recv
_SSLSocket
isinstanceunwrapr )r& r callback blocksizer r datas r
retrbinaryzFTP.retrbinary s
X
c4
(D ))I..$. ))I..$. %*T:*F
) }}
) }} s /B&BB*c |t }| j d }| j | 5 }|j d| j 5 } |j | j dz }t | | j kD rt d| j z | j dkD rt dt | |sn(|d d t k( r|dd }n
|d
d d k( r|dd
} || t t |t r|j ddd ddd | j! S # 1 sw Y !xY w# 1 sw Y | j! S xY w) ah Retrieve data in line mode. A new port is created for you.
Args:
cmd: A RETR, LIST, or NLST command.
callback: An optional single parameter callable that is called
for each line with the trailing CRLF stripped.
[default: print_line()]
Returns:
The response code.
NTYPE Ar; r r
rj r z*retr*rk rl r` )
print_liner r rD r rm rn rY r rI rJ r[ ra r r r r )r& r r r~ r fpre s r retrlinesz
FTP.retrlines s/ !H||H%
c
"d sT]] ;r{{4<>A%(DJ/9$ 9D"#Y$& 9D %*T:*F
! < #$ }} # <; #$ }} s$ D: CD.D:.D7 3D::Ec | j d | j || 5 }|j | x}r/|j | |r || |j | x}r/t t |t r|j
ddd | j S # 1 sw Y | j S xY w)a9 Store a file in binary mode. A new port is created for you.
Args:
cmd: A STOR command.
fp: A file-like object with a read(num_bytes) method.
blocksize: The maximum data size to read from fp and send over
the connection at once. [default: 8192]
callback: An optional single parameter callable that is called on
each block of data after it is sent. [default: None]
rest: Passed to transfercmd(). [default: None]
Returns:
The response code.
r N)r r readrb r r r r )r& r r r r r r bufs r
storbinaryzFTP.storbinary s
X
c4
(D++#+ S! SM ++#+
%*T:*F
) }} ) }} s AB%'&B%%B=c | j d | j | 5 } |j | j dz }t | | j kD rt d| j z |snA|dd t k7 r|d t v r|dd }|t z }|j | |r || t t |t r|j ddd | j S # 1 sw Y | j S xY w)ah Store a file in line mode. A new port is created for you.
Args:
cmd: A STOR command.
fp: A file-like object with a readline() method.
callback: An optional single parameter callable that is called on
each line after it is sent. [default: None]
Returns:
The response code.
r r
rj rk Nrl ) r r rm rn rY r r rb r r r r )r& r r r r r s r storlinesz
FTP.storlines s
X
c
"dkk$,,"23s8dll* 84<< GHHrs8v%2w&(CR# ,C S! SM %*T:*F
# }} ! # }} s B:C55D
c . d|z }| j | S )zSend new account name.r r )r& passwordr s r r* zFTP.acct s ||C r c d d}|D ]
}|d|z z } g }| j ||j |S )zBReturn a list of files in a given directory (default the current).NLST )r append)r& r6 r argfiless r nlstzFTP.nlst s; Cs#C sELL) r c d}d}|dd r t |d t s
|dd |d }}|D ]
}|s|d|z z } | j || y)a List a directory in long form.
By default list current directory to stdout.
Optional last argument is callback function; all
non-empty arguments before it are concatenated to the
LIST command. (This *should* only be used for a pathname.)LISTNrl r )r strr )r& r6 r funcr s r dirzFTP.dir& sb 9ZR# 6 crDH$DCS3Y'
sD!r c # K |r&| j ddj | z dz |rd|z }nd}g }| j ||j |D ]s }|j t
j
d \ }}}i } |dd j d D ]* }
|
j
d \ } }} | | | j < , || f u yw) a< List a directory in a standardized format by using MLSD
command (RFC-3659). If path is omitted the current directory
is assumed. "facts" is a list of strings representing the type
of information desired (e.g. ["type", "size", "perm"]).
Return a generator object yielding a tuple of two elements
for every file found in path.
First element is the file name, the second one is a dictionary
including a variable number of "facts" depending on the server
and whether "facts" argument has been provided.
z
OPTS MLST ;zMLSD %sMLSDr Nrl =) r r r r rZ ra partitionr lower)
r& pathfactsr linesre facts_found_nameentryfactkeyvalues
r mlsdzFTP.mlsd5 s LL 7#= > d"CC sELL)D#';;t#4#>#>s#C KDE#CR(..s3 $s 3
Q%*ciik" 4 -
s C
C c x | j d|z }|d dk7 r t | | j d|z S )zRename a file.zRNFR r rz zRNTO )r r r )r& fromnametonamer~ s r renamez
FTP.renameQ s? ||Gh ./ 7c> d# #||Gf ,--r c R | j d|z }|dd dv r|S t | )zDelete a file.zDELE Nrq > 200250r )r& filenamer~ s r deletez
FTP.deleteX s3 ||Gh ./ 8~ %K d# #r c |dk( r | j d S |dk( rd}d |z }| j | S # t $ r }|j d dd dk7 r Y d}~:d}~ww xY w)
zChange to a directory.z..CDUPr Nrq 500r r zCWD )r r r6 )r& dirnamemsgr s r cwdzFTP.cwd` st d?
||F++ ]Gw ||C
88A;r?e+ ,
s 5 A AA c x | j d|z }|dd dk( r |dd j }t | S y)z Retrieve the size of a file.zSIZE Nrq 213)r stripint)r& r r~ r\ s r r zFTP.sizem sE ||Gh ./ 8u QR Aq6M r c d | j d|z }|j d syt | S )z+Make a directory, return its full pathname.zMKD 257r r
startswithparse257)r& r r~ s r mkdzFTP.mkdu s0 ||FW ,- u%~ r c * | j d|z S )zRemove a directory.zRMD r )r& r s r rmdzFTP.rmd~ s ||FW ,--r c ^ | j d }|j d syt | S )z!Return current working directory.PWDr r r r s r pwdzFTP.pwd s+ ||E" u%~ r c H | j d }| j |S )z Quit, and close the connection.QUIT)r r5 r s r r2 zFTP.quit s ||F#
r c | j }d| _ ||j | j }d| _ ||j yy# | j }d| _ ||j w w xY w)z8Close the connection without assuming anything about it.N)rE r5 r1 )r& rE r1 s r r5 z FTP.close sr 99D DI
99D DI
99D DI
s %A (A6)r r r9 Nr- )r r r )r N)r NN):r r r __doc__rI r' FTP_PORTr< MAXLINErn r1 rE rG rQ r r r+ r/ r7 r$ rL rO debugrS rK rf rh ro rv rF r r r r r r r r r r r% r r r r r* r r r r r r r r r r r2 r5 r r r r r J s* . I
D DG D DGM%*" R0/!/ ! 4
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deddd fd Zd fd Zd Zd Zd Z d
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d fd Z d Z xZ
S )FTP_TLSa A FTP subclass which adds TLS support to FTP as described
in RFC-4217.
Connect as usual to port 21 implicitly securing the FTP control
connection before authenticating.
Securing the data connection requires user to explicitly ask
for it by calling prot_p() method.
Usage example:
>>> from ftplib import FTP_TLS
>>> ftps = FTP_TLS('ftp.python.org')
>>> ftps.login() # login anonymously previously securing control channel
'230 Guest login ok, access restrictions apply.'
>>> ftps.prot_p() # switch to secure data connection
'200 Protection level set to P'
>>> ftps.retrlines('LIST') # list directory content securely
total 9
drwxr-xr-x 8 root wheel 1024 Jan 3 1994 .
drwxr-xr-x 8 root wheel 1024 Jan 3 1994 ..
drwxr-xr-x 2 root wheel 1024 Jan 3 1994 bin
drwxr-xr-x 2 root wheel 1024 Jan 3 1994 etc
d-wxrwxr-x 2 ftp wheel 1024 Sep 5 13:43 incoming
drwxr-xr-x 2 root wheel 1024 Nov 17 1993 lib
drwxr-xr-x 6 1094 wheel 1024 Sep 13 19:07 pub
drwxr-xr-x 3 root wheel 1024 Jan 3 1994 usr
-rw-r--r-- 1 root root 312 Aug 1 1994 welcome.msg
'226 Transfer complete.'
>>> ftps.quit()
'221 Goodbye.'
>>>
Nr )contextr# r" r c z |t j }|| _ d| _ t | ||||||| y )NFr )ssl_create_stdlib_contextr _prot_psuperr+ )
r& r' r( r) r* r r# r" r __class__s
r r+ zFTP_TLS.__init__ sH 446"DL DL G T4 $nx
Ir c |r4t | j t j s| j t
| ||| S r- )r r1 r SSLSocketauthr# r% )r& r( r) r* securer$ s r r% z
FTP_TLS.login s3 jCMM B 7=vt4 4r c t | j t j r t d | j
j t j k\ r| j d }n| j d }| j
j | j | j | _ | j j d| j | _
|S )z2Set up secure control connection by using TLS/SSL.zAlready using TLSzAUTH TLSzAUTH SSLserver_hostnamer; )moder )r r1 r r& r= r protocol PROTOCOL_TLSr wrap_socketr' rD r rE r s r r' z FTP_TLS.auth s $))S]]3 !455||$$(8(88||J/||J/ 00DII0VDI **dmm*LDIKr c t | j t j s t d | j d }| j j
| _ |S )z/Switch back to a clear-text control connection.z
not using TLSCCC)r r1 r r& r= r r r s r cccz FTP_TLS.ccc sF dii 7 11<<&D ((*DIKr c X | j d | j d }d| _ |S )z Set up secure data connection.zPBSZ 0zPROT PTr r" r s r prot_pzFTP_TLS.prot_p s*
LL "<<)D DLKr c 6 | j d }d| _ |S )z"Set up clear text data connection.zPROT CFr4 r s r prot_czFTP_TLS.prot_c s <<)D DLKr c t | || \ }}| j r'| j j || j
}||fS )Nr* )r# r r" r r/ r' )r& r r r r r$ s r r zFTP_TLS.ntransfercmd sL -c48JD$||||//@D 0 K: r c dt z }| j j | | j }|d d dvr t | |S )Nr rq r )r r1 rb rv r r s r r z
FTP_TLS.abort sK V#D II d #$$&DBQx 44!$''Kr )r r r r )r r r Tr- )r r r r r r+ r% r' r2 r5 r7 r r
__classcell__)r$ s @r r r sC B I $.E$(7 I 5
r r c | dd dk7 r t | t -ddl}|j d|j |j
z at j
| }|syt |j d S )zParse the '150' response for a RETR request.
Returns the expected transfer size or None; size is not guaranteed to
be present in the 150 message.
Nrq r r z150 .* \((\d+) bytes\)r
) r _150_rerecompile
IGNORECASEASCIImatchr group)r~ r= ms r r r sl
BQx5$ ** %r}}rxx'?A
dA qwwqz?r c H | dd dk7 r t | t ddl}|j d|j at j | }|s t
| |j }dj |dd }t |d dz t |d z }||fS )
zParse the '227' response for a PASV request.
Raises error_proto if it does not contain '(h1,h2,h3,h4,p1,p2)'
Return ('host.addr.as.numbers', port#) tuple.Nrq 227r z#(\d+),(\d+),(\d+),(\d+),(\d+),(\d+)r rr rU )
r _227_rer= r> r@ searchr groupsr r )r~ r= rC numbersr' r< s r r r , s BQx5$ ** CRXXNt A $ hhjG 88GBQK D
Oq C
O 3D :r c | dd dk7 r t | | j d }|dk r t | | j d|dz }|dk r t | | |dz | |dz
k7 r t | | |dz | j | |dz }t | dk7 r t | |d }t |d }||fS ) zParse the '229' response for an EPSV request.
Raises error_proto if it does not contain '(|||port|)'
Return ('host.addr.as.numbers', port#) tuple.Nrq 229(r )r
rU )r findr r rY r )r~ peerleftrightpartsr' r< s r r r ? s BQx5$ 99S>D ax{4(( IIc4!8 $E qy$ D1H~eai ($ % & &tDF| 4E
5zQ$ 7D uQx=D :r c | dd dk7 r t | | dd dk7 ryd}d}t | }||k r/| | }|dz }|dk( r||k\ s| | dk7 r |S |dz }||z }||k r/|S ) zParse the '257' response for a MKD or PWD request.
This is a response to a MKD or PWD request: a directory name.
Returns the directoryname in the 257 reply.Nrq r rU z "r r
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Usage: ftplib [-d] [-r[file]] host [-l[dir]] [-d[dir]] [-p] [file] ...
Options:
-d increase debugging level
-r[file] set alternate ~/.netrc file
Commands:
-l[dir] list directory
-d[dir] change the current directory
-p toggle passive and active mode
file retrieve the file and write it to stdout
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