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Groups > alt.comp.os.windows-11 > #18102

Re: what is the fastest command line copy?

From Newyana2 <newyana@invalid.nospam>
Newsgroups alt.comp.os.windows-11, alt.comp.os.windows-10
Subject Re: what is the fastest command line copy?
Date 2025-03-31 08:21 -0400
Organization A noiseless patient Spider
Message-ID <vse1av$8pa5$1@dont-email.me> (permalink)
References <vsa1o9$2hf7l$1@dont-email.me> <vsctt2$1c3kf$1@paganini.bofh.team> <050kujpf36f33i4hspur5jg286m5r7fvn3@4ax.com>

Cross-posted to 2 groups.

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On 3/30/2025 10:43 PM, Steve Hayes wrote:
> 
> I want something that works with batch files to automate transfer of
> data files from desktop to laptop & vice versa via USB flash drive
> 

   This may not be what you want, but I keep a VBScript
on my desktop for copying. I use it for three reasons:

* Normal Windows copy will stop if it hits a problem.

* Windows 10 seems to be faulty, typically not copying
a folder that already exists. I have to delete the old folder
by hand or the copy/replace doesn't work.

* Windows doesn't provide an option to only copy over
newer files.

   So I wrote a script onto which I can drop any folder,
then enter another folder path, and copy all files that don't
exist on B from A. It will keep going if a copy fails. I use it
especially for redundant backup. If you know a bit of scripting
you could also do things like compare last-modified dates,
copy over from A even if existing on B, etc.

   The script then writes a list of what was copied, which
of course is optional.

   Speed? I'd guess that depends on the hardware. VBS and
FileSystemObject are not fast, but there's very little calculation
here. The actual script work is minimal. USB is generally quite
slow writing TO the stick, especially with USB2, so that would
likely be the bottleneck.

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Thread

what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-29 17:03 -0700
  Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-03-29 20:43 -0400
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-29 17:49 -0700
    Re: what is the fastest command line copy? Andy Burns <usenet@andyburns.uk> - 2025-03-30 06:55 +0000
      Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 12:08 -0700
        Re: what is the fastest command line copy? Andy Burns <usenet@andyburns.uk> - 2025-03-31 20:35 +0100
          Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 13:35 -0700
  Re: what is the fastest command line copy? Dual Boot Windows <invalid@invalid.invalid> - 2025-03-31 02:12 +0100
    Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-03-31 04:43 +0200
      Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-03-31 00:47 -0400
        Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-03-31 11:06 +0200
        Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 12:10 -0700
        Re: what is the fastest command line copy? "Jonathan N. Little" <lws4art@gmail.com> - 2025-04-01 18:56 -0400
      Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 08:21 -0400
        Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 15:47 +0200
          Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 10:54 -0400
            Re: what is the fastest command line copy? Andy Burns <usenet@andyburns.uk> - 2025-03-31 15:59 +0100
            Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 17:32 +0200
            Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-01 07:00 +0200
              Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-01 09:11 +0200
              Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-01 03:44 -0400
              Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-01 09:26 -0400
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-02 08:50 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 04:15 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 10:35 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 05:54 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 16:15 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 11:40 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 18:13 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:41 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 20:27 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-03 03:22 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-03 13:10 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 07:57 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 16:19 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 11:04 -0400
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:04 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 18:06 +0200
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-02 12:41 +0000
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:15 -0400
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-02 17:36 +0000
                Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-04-02 10:50 -0700
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-03 05:24 +0200
                Re: what is the fastest command line copy? Democrat <Democrat@invalid.invalid> - 2025-04-03 06:00 +0000
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-03 08:39 +0200
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-03 15:55 +0200
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-03 15:06 +0000
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-04 13:55 +0200
                Re: what is the fastest command line copy? Frank Slootweg <this@ddress.is.invalid> - 2025-04-04 12:11 +0000
                Re: what is the fastest command line copy? Don_from_AZ <djatechNOSPAM@comcast.net.invalid> - 2025-04-04 10:32 -0700
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-05 05:20 +0200
                Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-04-05 00:44 -0700
                Re: what is the fastest command line copy? Daniel70 <daniel47@eternal-september.org> - 2025-04-06 20:20 +1000
                Re: what is the fastest command line copy? "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-04-06 21:15 +0100
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-04 08:49 -0400
                Re: what is the fastest command line copy? Steve Hayes <hayesstw@telkomsa.net> - 2025-04-05 05:29 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-05 08:26 -0400
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-05 00:37 -0400
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-05 08:18 -0400
                Re: what is the fastest command line copy? Char Jackson <none@none.invalid> - 2025-04-03 11:00 -0500
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 07:53 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 16:26 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 11:03 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-04-02 18:04 +0200
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-02 12:36 -0400
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-02 13:07 -0400
                Re: what is the fastest command line copy? Paul <nospam@needed.invalid> - 2025-04-03 04:14 -0400
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-04-03 08:40 -0400
                Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-04-02 10:43 -0700
                Re: what is the fastest command line copy? Char Jackson <none@none.invalid> - 2025-04-02 18:59 -0500
                Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-04-02 11:11 -0700
          Re: what is the fastest command line copy? knuttle <keith_nuttle@yahoo.com> - 2025-03-31 10:59 -0400
            Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 17:26 +0200
              Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 13:05 -0400
                Re: what is the fastest command line copy? "R.Wieser" <address@is.invalid> - 2025-03-31 20:18 +0200
                Re: what is the fastest command line copy? Newyana2 <newyana@invalid.nospam> - 2025-03-31 14:43 -0400
      Re: what is the fastest command line copy? Stan Brown <the_stan_brown@fastmail.fm> - 2025-03-31 13:40 -0700
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-30 23:03 -0700
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-03-30 23:43 -0700
    Re: what is the fastest command line copy? T <T@invalid.invalid> - 2025-04-01 02:01 -0700

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