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ftp-client: Add `ftp-size'.

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* guix/ftp-client.scm (ftp-size): New procedure.
This commit is contained in:
Ludovic Courtès 2013-01-06 18:23:44 +01:00
parent a9f8b72ee1
commit fb83842efb
1 changed files with 8 additions and 1 deletions
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9
guix/ftp-client.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2010, 2011, 2012 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2010, 2011, 2012, 2013 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -33,6 +33,7 @@ (define-module (guix ftp-client)
ftp-open
ftp-close
ftp-chdir
ftp-size
ftp-list
ftp-retr))
@ -133,6 +134,12 @@ (define (ftp-chdir conn dir)
(%ftp-command (string-append "CWD " dir) 250
(ftp-connection-socket conn)))
(define (ftp-size conn file)
"Return the size in bytes of FILE."
(let ((message (%ftp-command (string-append "SIZE " file) 213
(ftp-connection-socket conn))))
(string->number (string-trim-both message))))
(define (ftp-pasv conn)
(define %pasv-rx
(make-regexp "([0-9]+),([0-9]+),([0-9]+),([0-9]+),([0-9]+),([0-9]+)"))