file list sorted by creation date

[Rajarshi Chakravarty]

Hi,
I need to get a list of all files in a directory sorted by their
date/time of creation.
Please help.

 

[Anurag Priyam]

I need to get a list of all files in a directory sorted by their

date/time of creation.
Please help.

Unix like systems don't store file creation info[1]. For last
modified, or access time, see the documentation for File.

[1] http://www.faqs.org/faqs/unix-faq/faq/part3/section-1.html

 

[zuerrong]

Hi,
I need to get a list of all files in a directory sorted by their
date/time of creation.

sort_by it:

Dir.entries(".").sort_by{|c| File.stat(c).ctime}

 

[zuerrong]

Or use a Swatz* Transform which is used by sort_by inherently:

Dir.entries(".").map{|c| [c,File.stat(c).ctime]}.sort{|a,b|
a[1]<=>b[1]}.map{|d| d[0]}

* Swatz is a Perl hacker whose full name is Randal Swatz (hope me
remember that correctly).

 

[Rajarshi Chakravarty]

Thank you, zuerrong.
That solves my problem.

 

[Michael Fellinger]

Or use a Swatz* Transform which is used by sort_by inherently:

Dir.entries(".").map{|c| [c,File.stat(c).ctime]}.sort{|a,b|
a[1]<=>b[1]}.map{|d| d[0]}

* Swatz is a Perl hacker whose full name is Randal Swatz (hope me
remember that correctly).

You mean Randal Schwartz and his Schwartzian transform:
https://secure.wikimedia.org/wikipedia/en/wiki/Schwartzian_transform

As you said, sort_by implements that already, so it's faster to use it
instead directly.