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comp.lang.ruby

Problem with Net::FTP#mtime

Berger, Daniel

8/11/2006 7:48:00 PM

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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1 Answer

Jamey Cribbs

8/11/2006 7:55:00 PM

0

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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