Replace remaining uses of FORMAT.
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sperber
parent
1f0bd725cf
commit
2ebb8d0e0f
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@ -49,10 +49,6 @@
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;; * Unix-specific commands such as SITE UMASK, SITE CHMOD
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;; * object-based interface? (like SICP message passing)
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;; * improved error handling
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;; * a lot of the calls to format could be replaced by calls to
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;; string-join. Maybe format is easier to read?
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Communication is initiated by the client. The server responds to
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@ -110,9 +106,10 @@
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passive?
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log)))
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(ftp-log connection
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(format #f "~%-- ~a: opened ftp connection to ~a"
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(date->string (date))
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hostname))
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(string-append "-- "
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(date->string (date))
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": opened ftp connection to "
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hostname))
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(ftp-read-reply connection (exactly-code "220")) ; the initial welcome banner
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(ftp-login connection login password)
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connection)))
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@ -134,14 +131,14 @@
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(netrc-lookup-login (get-netrc-record)
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(ftp-connection-host-name connection)))))
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(let ((reply
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(ftp-send-command connection (ftp-build-command-string "USER" login)
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(ftp-send-command connection (build-command "USER" login)
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(lambda (code)
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(or (string=? code "331") ; "User name okay, need password."
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(string=? code "230")))))) ; "User logged in, proceed."
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(if (string-prefix? "331" reply) ; "User name okay, need password."
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(ftp-send-command connection
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(ftp-build-command-string
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(build-command
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"PASS"
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(or password
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(netrc-lookup-password (get-netrc-record)
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@ -151,7 +148,7 @@
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;; Type must be one of 'binary or 'text or 'ascii, or a string which will be
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;; sent verbatim
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;;: connection x symbol|string -> status
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(define (ftp-type connection type)
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(let ((ttype (cond
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((string? type) type)
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@ -161,20 +158,23 @@
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(else
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(call-error "type must be one of 'binary or 'text or 'ascii"
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ftp-type type)))))
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(ftp-send-command connection (format #f "TYPE ~a" ttype))))
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(ftp-send-command connection (build-command "TYPE" ttype))))
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;;: connection x string x string -> status
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(define (ftp-rename connection oldname newname)
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(ftp-send-command connection (format #f "RNFR ~a" oldname) (code-with-prefix "35"))
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(ftp-send-command connection (format #f "RNTO ~a" newname) (code-with-prefix "25")))
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(ftp-send-command connection (build-command "RNFR " oldname)
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(code-with-prefix "35"))
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(ftp-send-command connection (build-command "RNTO" newname)
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(code-with-prefix "25")))
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;;: connection x string -> status
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(define (ftp-delete connection file)
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(ftp-send-command connection (format #f "DELE ~a" file) (code-with-prefix "25")))
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(ftp-send-command connection (build-command "DELE" file)
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(code-with-prefix "25")))
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;;: connection x string -> status
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(define (ftp-cd connection dir)
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(ftp-send-command connection (format #f "CWD ~a" dir)))
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(ftp-send-command connection (build-command "CWD" dir)))
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;;: connection -> status
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(define (ftp-cdup connection)
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@ -193,11 +193,11 @@
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;;: connection x string -> status
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(define (ftp-rmdir connection dir)
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(ftp-send-command connection (format #f "RMD ~a" dir)))
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(ftp-send-command connection (build-command "RMD " dir)))
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;;: connection x string -> status
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(define (ftp-mkdir connection dir)
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(ftp-send-command connection (format #f "MKD ~a" dir)))
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(ftp-send-command connection (build-command "MKD ~a" dir)))
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;; On success return a Scsh date record. This message is not part of
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;; rfc959 but seems to be supported by many ftp servers (it's useful
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@ -205,7 +205,7 @@
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;;: connection x string -> date
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(define (ftp-modification-time connection file)
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(let* ((reply (ftp-send-command connection
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(format #f "MDTM ~a" file)))
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(build-command "MDTM" file)))
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(timestr (substring reply 4 (string-length reply))))
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(let ((year (substring timestr 0 4))
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(month (substring timestr 4 6))
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@ -224,7 +224,7 @@
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;;: connection x string -> integer
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(define (ftp-size connection file)
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(let* ((reply (ftp-send-command connection
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(format #f "SIZE ~a" file))))
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(build-command "SIZE" file))))
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(string->number (substring reply
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4 (string-length reply)))))
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@ -260,7 +260,7 @@
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(define (ftp-ls connection . maybe-dir)
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(let* ((sock (ftp-open-data-connection connection)))
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(ftp-send-command connection
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(apply ftp-build-command-string "NLST" maybe-dir)
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(apply build-command "NLST" maybe-dir)
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(code-with-prefix "1"))
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(receive (newsock newsockaddr)
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(accept-connection sock)
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@ -274,7 +274,7 @@
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(define (ftp-dir connection . maybe-dir)
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(let* ((sock (ftp-open-data-connection connection)))
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(ftp-send-command connection
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(apply ftp-build-command-string "LIST" maybe-dir)
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(apply build-command "LIST" maybe-dir)
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(code-with-prefix "1"))
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(receive (newsock newsockaddr)
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(accept-connection sock)
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@ -294,7 +294,7 @@
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(define (ftp-get connection remote-file act)
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(let* ((sock (ftp-open-data-connection connection)))
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(ftp-send-command connection
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(ftp-build-command-string "RETR" remote-file)
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(build-command "RETR" remote-file)
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(exactly-code "150"))
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(receive (newsock newsockaddr)
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(accept-connection sock)
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@ -311,7 +311,7 @@
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(define (ftp-put connection remote-file act)
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(let ((sock (ftp-open-data-connection connection)))
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(ftp-send-command connection (ftp-build-command-string "STOR" remote-file)
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(ftp-send-command connection (build-command "STOR" remote-file)
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(exactly-code "150"))
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(receive (newsock newsockaddr)
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(accept-connection sock)
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@ -321,7 +321,7 @@
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(define (ftp-append connection remote-file act)
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(let ((sock (ftp-open-data-connection connection)))
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(ftp-send-command connection (ftp-build-command-string "APPE" remote-file)
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(ftp-send-command connection (build-command "APPE" remote-file)
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(exactly-code "150"))
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(receive (newsock newsockaddr)
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(accept-connection sock)
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@ -392,7 +392,7 @@
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(out (socket:outport sock)))
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(write-string command out)
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(write-crlf out)
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(ftp-log connection (format #f "<- ~a" command))
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(ftp-log connection (string-append "<- " command))
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(apply ftp-read-reply connection maybe-expected)))
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(define any-code (lambda (code) #t))
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@ -415,7 +415,7 @@
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(in (socket:inport sock))
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(reply (read-crlf-line in))
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(code (substring reply 0 3)))
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(ftp-log connection (format #f "-> ~a" reply))
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(ftp-log connection (string-append "-> " reply))
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(if (not (expected? code))
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(signal 'ftp-error reply))
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;; handle multi-line replies
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@ -424,13 +424,13 @@
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(let loop ()
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(let* ((line (read-crlf-line in))
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(reply (string-join (list reply line "\n"))))
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(ftp-log connection (format #f "-> ~a" line))
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(ftp-log connection (string-append "-> " line))
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(if (string-prefix? end-prefix line)
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reply
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(loop)))))
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reply))))
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(define (ftp-build-command-string str . opt-args)
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(define (build-command str . opt-args)
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(string-join (cons str opt-args)))
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(define (ftp-log connection line)
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