Problem with Net::FTP#mtime

ruby-talk
1

Hi all,

Ruby 1.8.4
Solaris 10, connecting to a Solaris 8 remote host.

I've got a code snippet like the one below. It connects fine, performs the chdir fine, performs the nlst fine, but chokes on mtime:

FTP.open(host, user, password) do |ftp|
    ftp.chdir(some_dir)
    ftp.nlst.each{ |file|
       puts file # prints "audit17717447" fine
       puts ftp.mtime(file, true) # Boom! See below
    }
end

Results:

/opt/csw/lib/ruby/1.8/net/ftp.rb:243:in `getresp': 500 'MDTM audit17717447': command not understood. (Net::FTPPermError)
         from /opt/csw/lib/ruby/1.8/net/ftp.rb:264:in `sendcmd'
         from /opt/csw/lib/ruby/1.8/monitor.rb:229:in `synchronize'
         from /opt/csw/lib/ruby/1.8/net/ftp.rb:262:in `sendcmd'
         from /opt/csw/lib/ruby/1.8/net/ftp.rb:767:in `mdtm'
         from /opt/csw/lib/ruby/1.8/net/ftp.rb:699:in `mtime'

Am I doing something wrong here? I don't see anything like 'MDTM' mentioned in my ftp man page. Or is it time to parse the long file name format manually?

Thanks,

Dan

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2

Daniel Berger wrote:

Hi all,

Ruby 1.8.4
Solaris 10, connecting to a Solaris 8 remote host.

I've got a code snippet like the one below. It connects fine, performs the chdir fine, performs the nlst fine, but chokes on mtime:

FTP.open(host, user, password) do |ftp|
   ftp.chdir(some_dir)
   ftp.nlst.each{ |file|
      puts file # prints "audit17717447" fine
      puts ftp.mtime(file, true) # Boom! See below
   }
end

Results:

/opt/csw/lib/ruby/1.8/net/ftp.rb:243:in `getresp': 500 'MDTM audit17717447': command not understood. (Net::FTPPermError)
        from /opt/csw/lib/ruby/1.8/net/ftp.rb:264:in `sendcmd'
        from /opt/csw/lib/ruby/1.8/monitor.rb:229:in `synchronize'
        from /opt/csw/lib/ruby/1.8/net/ftp.rb:262:in `sendcmd'
        from /opt/csw/lib/ruby/1.8/net/ftp.rb:767:in `mdtm'
        from /opt/csw/lib/ruby/1.8/net/ftp.rb:699:in `mtime'

Am I doing something wrong here? I don't see anything like 'MDTM' mentioned in my ftp man page. Or is it time to parse the long file name format manually?

I've had the same problem. Sometimes #mtime will work, sometimes not. It seems to depend on the ftp server I'm going against. IIRC, I couldn't get it to work going against Windows2000 ftp services, so I ended up parsing the long file name format myself.

Jamey

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