GNU logs - #34345, boring messages

Message sent to bug-coreutils@HIDDEN:

Subject: bug#34345: coreutils v.8.30 =?UTF-8?Q?=E2=80=93?= Two fractional digits accuracy. Appropriate notation regarding time elapsed.
Resent-From: L A Walsh <coreutils@HIDDEN>
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To: ricky.tigg@HIDDEN, 34345 <at> debbugs.gnu.org
Message-ID: <5C5AC9DA.7030707@HIDDEN>
Date: Wed, 06 Feb 2019 03:49:46 -0800
From: L A Walsh <coreutils@HIDDEN>
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On 2/6/2019 1:36 AM, Ricky Tigg wrote:
> Enhancements request
> Hi. Command executed:
>
>
>    - Could values reported at '(8.0 GB, 7.5 GiB)' be displayed using a two
>    fractional digits accuracy (model 1.23 GiB).
>   
----
    Nahhhhh....

Implies more accuracy than there is.

    Use 2-3 digits for reporting.  That way it can be displayed as
2-3 digits, if choice.  If value is between 2 endpoings, choose the
one that keeps the most bits, like 23.5->23, 34.5->35, basically round
to odd.

> entical values may be
> interpreted as a programming issue. Regards.
>

Message sent:

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: L A Walsh <coreutils@HIDDEN>
Subject: bug#34345: Acknowledgement (coreutils v.8.30 =?UTF-8?Q?=E2=80=93?=
 Two fractional digits accuracy. Appropriate notation regarding time
 elapsed.)
Message-ID: <handler.34345.B.154945381026564.ack <at> debbugs.gnu.org>
References: <5C5AC9DA.7030707@HIDDEN>
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Reply-To: 34345 <at> debbugs.gnu.org
Date: Wed, 06 Feb 2019 11:51:03 +0000

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Message sent to bug-coreutils@HIDDEN:

Subject: bug#34345: coreutils v.8.30 =?UTF-8?Q?=E2=80=93?= Two fractional digits accuracy. Appropriate notation regarding time elapsed.
Resent-From: Assaf Gordon <assafgordon@HIDDEN>
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From: Assaf Gordon <assafgordon@HIDDEN>
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Date: Fri, 8 Feb 2019 14:10:17 -0700
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severity 34345 wishlist
retitle 34345 dd: report elapsed time as HH:MM:SS.NNNNNNN
stop

Hello,

Ricky Tigg's original message was sent to coreutils@HIDDEN
(not to bug-coreutils@HIDDEN), and did not create a new bug report:

    https://lists.gnu.org/r/coreutils/2019-02/msg00003.html

This is of course absolutely fine - but PLEASE keep the same mailing 
list when replying (e.g. don't reply to bug-coreutils@HIDDEN if
the message was sent to coreutils@HIDDEN).

The original message said:

On 2019-02-06 2:36 a.m., Ricky Tigg wrote:
 > Enhancements request
 > Hi. Command executed:
 >
 > # dd if=/dev/zero of=/dev/sdc status=progress
 > 8003555840 bytes (8.0 GB, 7.5 GiB) copied, 1994 s, 4.0 MB/s
 > dd: writing to '/dev/sdc': No space left on device
 > 15638481+0 records in
 > 15638480+0 records out
 > 8006901760 bytes (8.0 GB, 7.5 GiB) copied, 2014.25 s, 4.0 MB/s
 >
 >
 >     - Could values reported at '(8.0 GB, 7.5 GiB)' be displayed using 
a two
 >     fractional digits accuracy (model 1.23 GiB).

That is not likely to change.
The printing code uses a common function (human_readable) that is used
in several other coreutils programs, and the convention is to print up
to 3 digits (or 2 digits with one decimal point).
Examples:
    1.1 KB
     11 KB
    111 KB
     11 MB
    111 MB
    1.1 GB
     11 GB
    111 GB
    1.1 TB

The exact number of bytes is printed at the beginning of the line,
and you can use 'numfmt' to format it to your liking:

     $ dd if=/dev/zero of=/dev/zero bs=1M count=10 2>&1 \
           | tail -n1 | numfmt --to=si --format '%2.5f'
     10.48576M bytes (10 MB, 10 MiB) copied, 0.00315612 s, 3.3 GB/s

 >     - Could values reported at '1994 s', '2014.25 s' to be displayed
 >     according to notation <*hour*>*h*<*minutes*>*'*<*seconds*>*''*.

An interesting idea.
I couldn't find previous discussion about it, so I'll mark this item
as a "wishlist".

As always, patches are welcomed.

 > Potential issue:
 > Since values '1994 s', '2014.25 s' expressed here may in the present
 > context cover nothing but a same object, non-identical values may be
 > interpreted as a programming issue. Regards.

I don't understand the above - can you clarify ?

regards,
  - assaf

Message received at control <at> debbugs.gnu.org:

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To: L A Walsh <coreutils@HIDDEN>, ricky.tigg@HIDDEN,
 34345 <at> debbugs.gnu.org
References: <CAM_8-CjM5y61tK+qBerco8aHwg+A3q8bLq=taiJ-Bmq=Ng_tJg@HIDDEN>
 <5C5AC9DA.7030707@HIDDEN>
From: Assaf Gordon <assafgordon@HIDDEN>
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severity 34345 wishlist
retitle 34345 dd: report elapsed time as HH:MM:SS.NNNNNNN
stop

Hello,

Ricky Tigg's original message was sent to coreutils@HIDDEN
(not to bug-coreutils@HIDDEN), and did not create a new bug report:

    https://lists.gnu.org/r/coreutils/2019-02/msg00003.html

This is of course absolutely fine - but PLEASE keep the same mailing 
list when replying (e.g. don't reply to bug-coreutils@HIDDEN if
the message was sent to coreutils@HIDDEN).

The original message said:

On 2019-02-06 2:36 a.m., Ricky Tigg wrote:
 > Enhancements request
 > Hi. Command executed:
 >
 > # dd if=/dev/zero of=/dev/sdc status=progress
 > 8003555840 bytes (8.0 GB, 7.5 GiB) copied, 1994 s, 4.0 MB/s
 > dd: writing to '/dev/sdc': No space left on device
 > 15638481+0 records in
 > 15638480+0 records out
 > 8006901760 bytes (8.0 GB, 7.5 GiB) copied, 2014.25 s, 4.0 MB/s
 >
 >
 >     - Could values reported at '(8.0 GB, 7.5 GiB)' be displayed using 
a two
 >     fractional digits accuracy (model 1.23 GiB).

That is not likely to change.
The printing code uses a common function (human_readable) that is used
in several other coreutils programs, and the convention is to print up
to 3 digits (or 2 digits with one decimal point).
Examples:
    1.1 KB
     11 KB
    111 KB
     11 MB
    111 MB
    1.1 GB
     11 GB
    111 GB
    1.1 TB

The exact number of bytes is printed at the beginning of the line,
and you can use 'numfmt' to format it to your liking:

     $ dd if=/dev/zero of=/dev/zero bs=1M count=10 2>&1 \
           | tail -n1 | numfmt --to=si --format '%2.5f'
     10.48576M bytes (10 MB, 10 MiB) copied, 0.00315612 s, 3.3 GB/s


 >     - Could values reported at '1994 s', '2014.25 s' to be displayed
 >     according to notation <*hour*>*h*<*minutes*>*'*<*seconds*>*''*.

An interesting idea.
I couldn't find previous discussion about it, so I'll mark this item
as a "wishlist".

As always, patches are welcomed.

 > Potential issue:
 > Since values '1994 s', '2014.25 s' expressed here may in the present
 > context cover nothing but a same object, non-identical values may be
 > interpreted as a programming issue. Regards.

I don't understand the above - can you clarify ?

regards,
  - assaf

Message received at control <at> debbugs.gnu.org:

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To: L A Walsh <coreutils@HIDDEN>, ricky.tigg@HIDDEN,
 34345 <at> debbugs.gnu.org
References: <CAM_8-CjM5y61tK+qBerco8aHwg+A3q8bLq=taiJ-Bmq=Ng_tJg@HIDDEN>
 <5C5AC9DA.7030707@HIDDEN>
From: Assaf Gordon <assafgordon@HIDDEN>
Message-ID: <4638571e-e97a-8b9e-8c46-5da9abc83c51@HIDDEN>
Date: Fri, 8 Feb 2019 14:10:17 -0700
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severity 34345 wishlist
retitle 34345 dd: report elapsed time as HH:MM:SS.NNNNNNN
stop

Hello,

Ricky Tigg's original message was sent to coreutils@HIDDEN
(not to bug-coreutils@HIDDEN), and did not create a new bug report:

    https://lists.gnu.org/r/coreutils/2019-02/msg00003.html

This is of course absolutely fine - but PLEASE keep the same mailing 
list when replying (e.g. don't reply to bug-coreutils@HIDDEN if
the message was sent to coreutils@HIDDEN).

The original message said:

On 2019-02-06 2:36 a.m., Ricky Tigg wrote:
 > Enhancements request
 > Hi. Command executed:
 >
 > # dd if=/dev/zero of=/dev/sdc status=progress
 > 8003555840 bytes (8.0 GB, 7.5 GiB) copied, 1994 s, 4.0 MB/s
 > dd: writing to '/dev/sdc': No space left on device
 > 15638481+0 records in
 > 15638480+0 records out
 > 8006901760 bytes (8.0 GB, 7.5 GiB) copied, 2014.25 s, 4.0 MB/s
 >
 >
 >     - Could values reported at '(8.0 GB, 7.5 GiB)' be displayed using 
a two
 >     fractional digits accuracy (model 1.23 GiB).

That is not likely to change.
The printing code uses a common function (human_readable) that is used
in several other coreutils programs, and the convention is to print up
to 3 digits (or 2 digits with one decimal point).
Examples:
    1.1 KB
     11 KB
    111 KB
     11 MB
    111 MB
    1.1 GB
     11 GB
    111 GB
    1.1 TB

The exact number of bytes is printed at the beginning of the line,
and you can use 'numfmt' to format it to your liking:

     $ dd if=/dev/zero of=/dev/zero bs=1M count=10 2>&1 \
           | tail -n1 | numfmt --to=si --format '%2.5f'
     10.48576M bytes (10 MB, 10 MiB) copied, 0.00315612 s, 3.3 GB/s


 >     - Could values reported at '1994 s', '2014.25 s' to be displayed
 >     according to notation <*hour*>*h*<*minutes*>*'*<*seconds*>*''*.

An interesting idea.
I couldn't find previous discussion about it, so I'll mark this item
as a "wishlist".

As always, patches are welcomed.

 > Potential issue:
 > Since values '1994 s', '2014.25 s' expressed here may in the present
 > context cover nothing but a same object, non-identical values may be
 > interpreted as a programming issue. Regards.

I don't understand the above - can you clarify ?

regards,
  - assaf

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 Content preview:  Covered object by values '1994 s', '2014.25 s' seems to be
    a unique time elapsed. Those values can therefore be expected to be identical,
    either '1994 s' or '2014.25 s' =?UTF-8?Q?=E2=80=93?= 2014 s and 25 hundredths of [...] 
 
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Covered object by values '1994 s', '2014.25 s' seems to be a unique
time elapsed. Those values can therefore be expected to be identical,
either '1994 s' or '2014.25 s' =E2=80=93 2014 s and 25 hundredths of s =E2=
=80=93.

--00000000000075255105817bc621
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<div dir=3D"ltr"><pre class=3D"gmail-message">Covered object by values &#39=
;1994 s&#39;, &#39;2014.25 s&#39; seems to be a unique time elapsed. Those =
values can therefore be expected to be identical, either &#39;1994 s&#39; o=
r &#39;2014.25 s&#39; =E2=80=93 2014 s and 25 <span class=3D"gmail-tlid-tra=
nslation gmail-translation"><span title=3D"" class=3D"gmail-">hundredths of=
</span></span><span class=3D"gmail-tlid-translation-gender-indicator gmail-=
translation-gender-indicator"></span><span class=3D"gmail-tlid-trans-verifi=
ed-button gmail-trans-verified-button"></span> s =E2=80=93.</pre></div>

--00000000000075255105817bc621--

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On 2019-02-09 1:18 p.m., Ricky Tigg wrote:
> Covered object by values '1994 s', '2014.25 s' seems to be a unique
> time elapsed. Those values can therefore be expected to be identical,
> either '1994 s' or '2014.25 s' – 2014 s and 25 hundredths of s –.
> 

The command was:

> # dd if=/dev/zero of=/dev/sdc status=progress > 8003555840 bytes (8.0 GB, 7.5 GiB) copied, 1994 s, 4.0 MB/s> dd: 
writing to '/dev/sdc': No space left on device> 15638481+0 records in> 
15638480+0 records out> 8006901760 bytes (8.0 GB, 7.5 GiB) copied, 
2014.25 s, 4.0 MB/s
The first status report (with 1994s) is printed due to "status=progress"
and is updated periodically.
The last status line (with 2014.25s) was printed about 20 seconds later,
hence the time difference.

Last modified: Mon, 25 Nov 2019 12:00:02 UTC

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