Sorry for delay. See below for my results (WSL/Ubunto):
1000 files: ln -sf
* using xargs: clock: 1.58s, cpu: 0.27u, 0.30s
* using pair-wise (Perl) clock: 0.10, cpu: 0.04u ,0.09s
1 files: ln -sf
* Using xargs: clock:16.7s, cpu: 3.07u, 3.38s
* Using pair-wise (Perl): clock: 0.59, cpu: 0.13u, 0.4
On 8/25/24 18:34, Glenn Golden wrote:
> Since you were reporting 2 min, was wondering what your platform is and
> whether there might be something else involved eating the 2 min realtime?
Slowest exec I've had to deal with on a modern still-active system is mac
homebrew, which was about 1/3 of a s
good point. I'm running in a VM that is mounting NFS volume. may be part of
the problems (slow exec) are related to search path/slow exec. I'll check
and revert.
On Sun, Aug 25, 2024, 19:34 Glenn Golden wrote:
> Yair Lenga [1970-01-01 00:00:00 +]:
> >
> > In my case, I have to bulk-move abo
On Sun, 25 Aug 2024, Yair Lenga wrote:
In my case, I have to bulk-move about 2500 files. This is part of a
recurring sync job that has to mirror an existing hierarchy into a new
hierarchy with different naming rules.
It takes no time to create the mapping (even in bash script, case
statement
From: coreutils-bounces+williambader=hotmail@gnu.org
on behalf of Glenn Golden
Sent: Sunday, August 25, 2024 7:34 PM
To: Yair Lenga
Cc: P=C3=A1draig Brady ; Coreutils
Subject: Re: Pair-wise file operation (copy, link)
Yair Lenga [1970-01-01 00:00:00 +]:
>
> In my case, I have
Yair Lenga [1970-01-01 00:00:00 +]:
>
> In my case, I have to bulk-move about 2500 files. This is part of a
> recurring sync job that has to mirror an existing hierarchy into a new
> hierarchy with different naming rules.
>
> It takes no time to create the mapping (even in bash script, case
The reduced scope does help, thanks.
Note we already support --files0-from in wc, sort, du.
Similarly we might support --pairs0-from in ln at least.
Pairs would not be generally distributable with xargs etc. anyway
as it might split a pair over invocations, so restricting to an option seems
best.
Hi Padraig,
After thinking more about my use case - I can narrow it further to linking.
If the 'ln' command will support pair-wise linking - it's
relatively trivial to implement the cp from that point:
mkdir tree
ln --pair src1/file1 tree/dest1/name1 src2/file2 tree/dest2/name2
src3/file3 tree/des
Hi. Thanks for looking into this my request.
In my case, I have to bulk-move about 2500 files. This is part of a
recurring sync job that has to mirror an existing hierarchy into a new
hierarchy with different naming rules.
It takes no time to create the mapping (even in bash script, case
statemen
On 25/08/2024 12:39, Yair Lenga wrote:
Greetings!,
The 'cp' and 'ln' command provides the ability to perform 'bulk' operation,
by specifying multiple source files and a target destination. In
addition to convenience, this approach provides significant
performance benefits, compared with running
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