[clug] Thursday afternoon Perl/bash golf time

Scott Ferguson scott.ferguson.clug at gmail.com
Thu Jun 11 07:02:01 MDT 2015

On 11/06/15 21:59, Peter Barker wrote:
> On Thu, 11 Jun 2015, Andrew Janke wrote:
>> On 11 June 2015 at 16:51, Peter Barker <pbarker at barker.dropbear.id.au>
>> wrote:
>>> Good idea!
>>> #!/usr/bin/perl -w
>> I've used something close to this.
> It also occured to me this-afternoon that it should be possible to use
> something like btrfs to paste extents of a file together.
> I'm not the first person to think of that; google for BTRFS_IOC_CLONE_RANGE
> I was unable to find anyone who'd managed to do it.

You might be able to copy some functionality from buttersink to get at
that, um, not extensively documented API:-

I've also seen the suggestion:-

if the initial cp -a --reflink was followed by a cp >> would that work?

> Of course, you've probably replaced your fairly simple "cat files
> together" to "move everyone to another filesystem" and possibly "move
> everyone to another operating system"....
>> a
> Yours,

Kind regards

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