Getting latest file from ftp Post: 302165602

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Top Forums UNIX for Dummies Questions & Answers Getting latest file from ftp Post 302165602 by HPAVC on Friday 8th of February 2008 09:19:50 AM

02-08-2008

Registered User

Quote:

Originally Posted by arunavlp

hi Ganesh,
This wil display all the files listed in the ftp.
but how can i get the latest file ???
Regards,
Arun S

You could get them all and sort all that out locally or something like this quick hack (very dependent on output of LIST command)

Code:

#!/usr/bin/perl                                                                                                              

use strict;
#use Data::Dumper;                                                                                                           
use Net::FTP;
use Date::Parse;

my $site  = 'localhost';
my $user  = 'anonymous';
my $pass  = 'nobody@localhost.com';
my $path  = '/';
my $regex = '/\s+JAMA01\.DAT.*$/';
my $debug = 0;

my $ftp = Net::FTP->new($site, Debug => $debug)
    or die "Cannot connect to some.host.name: $@";

$ftp->login($user, $pass)
    or die "Cannot login ", $ftp->message;

$ftp->cwd($path)
    or die "Cannot change working directory ", $ftp->message;

my (@items) = $ftp->dir()
    or die "Cannot list directory ", $ftp->message;

my %files;
my $new_file;
my $new_ts=0;

for my $item (@items)
{
    next unless($item =~ m/^-/); # only real files                                                                           
    next unless(grep($regex, $item));

    my $ts;
    my $file;

    $item =~ m/\s+(\w+\s+\d+\s+\d+:\d+)\s+(.*)$/;
    $ts   = $1;
    $file = $2;

    if($ts)
    {
        $ts = str2time($ts);
    }
    else
    {
        warn("could not parse date on line:\n$item\n");
        next;
    }
    $files{$file}=$ts;
    $new_file = $ts > $new_ts ? $file : $new_file;
    $new_ts   = $ts > $new_ts ? $ts : $new_ts;
}

$ftp->get($new_file)
    or die "get failed ", $ftp->message;
$ftp->quit;

HPAVC

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LEARN ABOUT DEBIAN

simpleftp

SIMPLEFTP(1)						    InterNetNews Documentation						      SIMPLEFTP(1)

NAME

       simpleftp - Rudimentary FTP client

SYNOPSIS

       simpleftp url [...]

DESCRIPTION

       simpleftp is a Perl script that provides basic support for fetching files with FTP in a batch oriented fashion.	It takes one or more FTP
       URLs on the command line.  The file(s) will be retrieved from the remote server and placed in the current directory with the same basename
       as on the remote; e.g., <ftp://ftp.isc.org/pub/usenet/CONFIG/active.gz> is stored as active.gz in the current directory.

       The script properly understands usernames, passwords and ports specified as follows:

	   ftp://user:password@host:port/path/file

BUGS

       simpleftp is an extremely poor substitute for more complete programs like the freely available wget or ncftp utilities.	It was written
       only to provide elementary support in INN for non-interactive fetching of the files in <ftp://ftp.isc.org/pub/pgpcontrol/> or
       <ftp://ftp.isc.org/pub/usenet/CONFIG/> without requiring administrators to install yet another package.	Its shortcomings as a general
       purpose program are too numerous to mention, but one that stands out is that downloaded files by simpleftp override existing files with the
       same name in the local directory.

HISTORY

       Tossed off by David C Lawrence <tale@isc.org> for InterNetNews.	Rewritten to use "Net::FTP" by Julien Elie.

       $Id: simpleftp.pod 8357 2009-02-27 17:56:00Z iulius $

SEE ALSO

       actsync(8).

INN 2.5.2							    2009-05-21							      SIMPLEFTP(1)