GNU bug report logs - #19544
RFE: please fix limited dd output control (want xfer stats, but not blocks).

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Message #8 received at 19544 <at> debbugs.gnu.org (full text, mbox):

From: Pádraig Brady <P <at> draigBrady.com>
To: Linda Walsh <coreutils <at> tlinx.org>, 19544 <at> debbugs.gnu.org
Subject: Re: bug#19544: RFE: please fix limited dd output control (want xfer
 stats, but not blocks).
Date: Fri, 09 Jan 2015 12:35:21 +0000

On 09/01/15 11:18, Linda Walsh wrote:
> 
> The blocks are a bit uninteresting:
> 
> 7+0 records in
> 7+0 records out
> 6+0 records in
> ....
> 
> 11+0 records out
> 8+0 records in
> 8+0 records out
> 2+0 records in
> ...
> 2+0 records out
> 15+0 records in
> 15+0 records out
> ---
> 
> Tells me nothing -- not size of recs, nor time.. nothing interesting.
> 
> What I'd rather see:
> 
> 983040 bytes (983 KB) copied, 0.0135631 s, 72.5 MB/s
> 327680 bytes (328 KB) copied, 0.00869602 s, 37.7 MB/s
> 393216 bytes (393 KB) copied, 0.00978036 s, 40.2 MB/s
> 458752 bytes (459 KB) copied, 0.00906681 s, 50.6 MB/s
> ...
> 65536 bytes (66 KB) copied, 0.00843794 s, 7.8 MB/s
> 65536 bytes (66 KB) copied, 0.00845365 s, 7.8 MB/s
> 983040 bytes (983 KB) copied, 0.0128341 s, 76.6 MB/s
> 262144 bytes (262 KB) copied, 0.01019 s, 25.7 MB/s
> 262144 bytes (262 KB) copied, 0.00933135 s, 28.1 MB/s
> 589824 bytes (590 KB) copied, 0.0124597 s, 47.3 MB/s
> 1048576 bytes (1.0 MB) copied, 0.0138104 s, 75.9 MB/s
> ---

There is a new status=progress option that will
output the above format every second, but on
a single updated line.

> (Which, BTW, uses program intelligence to use the same output units as
> the user used for input units, rather than giving them units in an
> unfamiliar dialect).

this has been discussed previously.

thanks,
Pádraig

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