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Re: [perl #96158] File::Copy needs fixing

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From:
Abigail
Date:
August 3, 2011 00:14
Subject:
Re: [perl #96158] File::Copy needs fixing
Message ID:
20110803071402.GA8630@almanda
On Tue, Aug 02, 2011 at 05:44:38PM -0700, perl-diddler@Ishtar.sc.tlinx.org wrote:
> # New Ticket Created by  perl-diddler@Ishtar.sc.tlinx.org 
> # Please include the string:  [perl #96158]
> # in the subject line of all future correspondence about this issue. 
> # <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=96158 >
> 
> 
> 
> This is a bug report for perl from perl-diddler,
> generated with the help of perlbug 1.39 running under perl 5.12.3.
> 
> 
> -----------------------------------------------------------------
> [Please describe your issue here]
> 
> It looks like File::Copy is in the std distrib, and I'm using 5.12.
> 
> In it's docs, it says the unix version is, basically, 'broken', 
> and doesn't copy attributes, permissions/ date/times, acls, -- nothin. 
> It provides, essentially, DOS-FAT32 style copying: preserving nothing.
> 
> Instead of calling whatever broken routine that does this 'syscopy'?
> (couldn't find it in 'apropos' and it's not a system call...hmmm..)
> maybe it should just call the local 'cp -a' command to do the copy,
> as it will copy links, preserve hard links, and as much of the metadata
> as it can, i.e. 'all', for
> 
> all: ⊇ ⟦mode, ownership timestamps, xattr, links, [security] context, all⟧
> 
> i.e. 'File::Copy' should do at least as well as the system's standard
> copy routine...dunnow what 'syscopy is' that it is documented to use, 
> as 'syscopy' doesn't turn up any manpages on my system.
> 
> Does syscopy mean 'use the system's 'cp' program?
> 
> In which case, maybe it should use the "-a" flag"?
> 


In File::Copy 2.15 and later, there's a slight difference between 'copy',
and 'cp'. The latter will preserve the permission bits, as the system 'cp'
doest. It doesn't preserve timestamps (since a plain 'cp' doesn't do so
either).

Perl 5.14 comes with a File::Copy that has the above.



Abigail

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