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comp.lang.ruby

Get Date Modified value for a directory (folder

Hayato Iriumi

8/22/2007 12:55:00 AM

Hello, folks.
I'm trying to find out a way to get "Date Modified" value for a
directory on Windows. Is it possible to get the value from Ruby?

The purpose of it is that I would like to get the newest sub directory
in a directory. If anyone knows a sleek way of accomplishing this in
Ruby, I'd appreciate it.

TIA
--
Posted via http://www.ruby-....
9 Answers

Nobuyoshi Nakada

8/22/2007 1:16:00 AM

0

Hi,

At Wed, 22 Aug 2007 09:54:45 +0900,
Hayato Iriumi wrote in [ruby-talk:265729]:
> Hello, folks.
> I'm trying to find out a way to get "Date Modified" value for a
> directory on Windows. Is it possible to get the value from Ruby?

File.stat(".").mtime
File.mtime(".")

--
Nobu Nakada

Nagesh Sanana

8/22/2007 3:03:00 AM

0

hi

whats the dot symobl indicates.

--
Posted via http://www.ruby-....

Phillip Gawlowski

8/22/2007 3:13:00 AM

0

Please quote if you reply.

> hi
>
> whats the dot symobl indicates.

C:\ruby>ls .
ChangeLog.txt man
LICENSE.txt ruby.ico
MANIFEST rubyw.ico
README.1st samples
ReleaseNotes.txt share
bin src
doc uninstall.exe
lib uninstall_ruby_gnome2.exe

C:\ruby>

C:\ruby>dir .
Volume in drive C has no label.
Volume Serial Number is B02E-688E

Directory of C:\ruby

05/06/2007 04:41 PM <DIR> .
05/06/2007 04:41 PM <DIR> ..
08/18/2007 01:31 PM <DIR> bin
03/16/2007 05:52 AM 9,906 ChangeLog.txt
05/06/2007 04:40 PM <DIR> doc
05/06/2007 04:40 PM <DIR> lib
05/03/2006 04:29 AM 4,305 LICENSE.txt
05/02/2007 04:12 PM <DIR> man
03/15/2007 12:37 PM 602,342 MANIFEST
03/15/2007 12:33 PM 1,178 README.1st
03/16/2007 05:52 AM 4,564 ReleaseNotes.txt
03/16/2007 05:41 AM 4,286 ruby.ico
03/16/2007 05:41 AM 4,286 rubyw.ico
05/06/2007 04:40 PM <DIR> samples
05/02/2007 04:12 PM <DIR> share
05/02/2007 04:15 PM <DIR> src
05/02/2007 04:16 PM 53,188 uninstall.exe
05/06/2007 04:41 PM 52,653 uninstall_ruby_gnome2.exe
9 File(s) 736,708 bytes
9 Dir(s) 4,687,994,880 bytes free

C:\ruby>

--
Phillip Gawlowski

Hayato Iriumi

8/22/2007 4:08:00 PM

0

Ara, nihonjin no kata desune. Gokaitou arigatou gozaimashita.

Thank you very much for your help. I will give it a try today and let
you know how it goes.


Nobuyoshi Nakada wrote:
> Hi,
>
> At Wed, 22 Aug 2007 09:54:45 +0900,
> Hayato Iriumi wrote in [ruby-talk:265729]:
>> Hello, folks.
>> I'm trying to find out a way to get "Date Modified" value for a
>> directory on Windows. Is it possible to get the value from Ruby?
>
> File.stat(".").mtime
> File.mtime(".")

--
Posted via http://www.ruby-....

Hayato Iriumi

8/22/2007 6:38:00 PM

0

I was trying to get modified date/time for a remote directory and the
way you showed me worked only when I mapped the drive, so it's all OK,
but I just wanted to let the community know that it doesn't seem to work
if you specify the path like...

puts File.stat('\\\\remoteMachineName\\Test\\Dir1')

When I do it, I get Errno::ENOENT: No such file or directory -

Again, when I map the network folder, it works OK.


Nobuyoshi Nakada wrote:
> Hi,
>
> At Wed, 22 Aug 2007 09:54:45 +0900,
> Hayato Iriumi wrote in [ruby-talk:265729]:
>> Hello, folks.
>> I'm trying to find out a way to get "Date Modified" value for a
>> directory on Windows. Is it possible to get the value from Ruby?
>
> File.stat(".").mtime
> File.mtime(".")

--
Posted via http://www.ruby-....

Hayato Iriumi

8/22/2007 6:38:00 PM

0

OOPS, the sample code was wrong. It should be...

puts File.stat('\\\\remoteMachineName\\Test\\Dir1').mtime

It still doesn't work, however.

FYI

Hayato Iriumi wrote:
> I was trying to get modified date/time for a remote directory and the
> way you showed me worked only when I mapped the drive, so it's all OK,
> but I just wanted to let the community know that it doesn't seem to work
> if you specify the path like...
>
> puts File.stat('\\\\remoteMachineName\\Test\\Dir1')
>
> When I do it, I get Errno::ENOENT: No such file or directory -
>
> Again, when I map the network folder, it works OK.
>
>
> Nobuyoshi Nakada wrote:
>> Hi,
>>
>> At Wed, 22 Aug 2007 09:54:45 +0900,
>> Hayato Iriumi wrote in [ruby-talk:265729]:
>>> Hello, folks.
>>> I'm trying to find out a way to get "Date Modified" value for a
>>> directory on Windows. Is it possible to get the value from Ruby?
>>
>> File.stat(".").mtime
>> File.mtime(".")

--
Posted via http://www.ruby-....

Hayato Iriumi

8/23/2007 4:34:00 PM

0

Hello,
After I read your reply, I gave it another try. It's working now! I
don't understand why it wasn't working last time, but now it's all good.
I might have had some wrong code?

Anyway, thanks for taking your time to try it out.


Peña, Botp wrote:
> On Behalf Of Hayato Iriumi:
> # I was trying to get modified date/time for a remote directory and the
> # way you showed me worked only when I mapped the drive, so it's all OK,
> # but I just wanted to let the community know that it doesn't
> # seem to work if you specify the path like...
> #
> # puts File.stat('\\\\remoteMachineName\\Test\\Dir1')
> #
> # When I do it, I get Errno::ENOENT: No such file or directory -
> #
> # Again, when I map the network folder, it works OK.
>
> Hi Iriumi,
>
> it works here,
>
> irb(main):054:0> puts `dir \\\\bg-mis-pbot\\test\\test.txt`
> Volume in drive \\bg-mis-pbot\test is hd
> Volume Serial Number is 7CD8-B514
>
> Directory of \\bg-mis-pbot\test
>
> 08/23/2007 08:53 AM 0 test.txt
> 1 File(s) 0 bytes
> 0 Dir(s) 1,899,081,728 bytes free
> => nil
> irb(main):055:0> puts File.stat("\\\\bg-mis-pbot\\test\\test.txt")
> #<File::Stat:0x28d19e8>
> => nil
> irb(main):056:0> p File.stat("\\\\bg-mis-pbot\\test\\test.txt")
> #<File::Stat dev=0x2, ino=0, mode=0100644, nlink=1, uid=0, gid=0,
> rdev=0x2, size=0, blksize=nil, blocks=nil, atime=Thu Aug 23 08:53:35
> +0800 2007, mtime=Thu Aug 23 08:53:35 +0800 2007, ctime=Thu Aug 23
> 08:53:35 +0800 2007>
> => nil
> irb(main):057:0>
> irb(main):058:0> puts `ver`
> Microsoft Windows XP [Version 5.1.2600]
> => nil
> irb(main):066:0> p File.mtime('\\\\bg-mis-pbot\\test\\test.txt')
> Thu Aug 23 08:53:35 +0800 2007
> => nil
>
> kind regards -botp

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Hayato Iriumi

8/23/2007 5:13:00 PM

0

This is a reply to myself.

When I did...

puts File.stat(rootDir + '\\' + subDir).mtime

I got an error... but when I did...

dirPath = rootDir + '\\' + subDir
puts File.stat(dirPath).mtime

It worked. Weird...
--
Posted via http://www.ruby-....

Nobuyoshi Nakada

8/23/2007 11:25:00 PM

0

Hi,

At Fri, 24 Aug 2007 02:13:08 +0900,
Hayato Iriumi wrote in [ruby-talk:265968]:
> When I did...
>
> puts File.stat(rootDir + '\\' + subDir).mtime
>
> I got an error... but when I did...
>
> dirPath = rootDir + '\\' + subDir
> puts File.stat(dirPath).mtime
>
> It worked. Weird...

What are the exact platform, version and patchlevel, which is
given with `ruby -v'? One-click Installer?

--
Nobu Nakada