-----Original Message-----
From: <owner-src-committ...@freebsd.org> on behalf of Stefan Eßer
<st_es...@t-online.de>
Date: 2020-07-30, Thursday at 09:55
To: Jessica Clarke <jrt...@freebsd.org>, Ravi Pokala <rpok...@freebsd.org>
Cc: Baptiste Daroussin <b...@freebsd.org>, Stefan Eßer <s...@freebsd.org>,
src-committers <src-committ...@freebsd.org>, <svn-src-all@freebsd.org>,
<svn-src-h...@freebsd.org>
Subject: Re: svn commit: r363091 - in head/contrib/bc: . include manuals src
tests tests/bc
Am 30.07.20 um 18:45 schrieb Jessica Clarke:
> On 30 Jul 2020, at 17:40, Ravi Pokala <rpok...@freebsd.org> wrote:
>>
>> -----Original Message-----
>> From: <owner-src-committ...@freebsd.org> on behalf of Jessica Clarke
<jrt...@freebsd.org>
>> Date: 2020-07-30, Thursday at 09:35
>> To: Baptiste Daroussin <b...@freebsd.org>
>> Cc: Stefan Eßer <s...@freebsd.org>, src-committers
<src-committ...@freebsd.org>, <svn-src-all@freebsd.org>,
<svn-src-h...@freebsd.org>
>> Subject: Re: svn commit: r363091 - in head/contrib/bc: . include manuals
src tests tests/bc
>>
>> On 30 Jul 2020, at 17:31, Baptiste Daroussin <b...@freebsd.org> wrote:
>>> On Thu, Jul 30, 2020 at 05:28:19PM +0100, Jessica Clarke wrote:
>>>> On 30 Jul 2020, at 17:20, Baptiste Daroussin <b...@freebsd.org> wrote:
>>>>> On Sat, Jul 11, 2020 at 07:33:19AM +0000, Stefan Eßer wrote:
>>>>>> Author: se
>>>>>> Date: Sat Jul 11 07:33:18 2020
>>>>>> New Revision: 363091
>>>>>> URL: https://svnweb.freebsd.org/changeset/base/363091
>>>>>>
>>>>>> Log:
>>>>>> Update to version 3.1.3
>>>>>>
>>>>> Jumping on that commit, since the switch from our previous bc.
>>>>>
>>>>> The output of the interactive bc has changed, the previous version
had a clean
>>>>> UI, the new version "pollutes" the output with plenty of lines about
the
>>>>> copyright:
>>>>>
>>>>> ====
>>>>> Copyright (c) 2018-2020 Gavin D. Howard and contributors
>>>>> Report bugs at: https://git.yzena.com/gavin/bc
>>>>>
>>>>> This is free software with ABSOLUTELY NO WARRANTY.
>>>>> ====
>>>>>
>>>>> Imagine if all programs where doing that, it would be painful, do you
think
>>>>> upstream can be convinced to remove those lines?
>>>>>
>>>>> I no the GNU version also has the same polluted output which was one
of the
>>>>> reason I was happy with out previous version of bc.
>>>>
>>>> By default both will print such a banner if and only if being called
>>>> interactively. You can disable the banner explicitly with -q/--quiet
>>>> for both GNU bc and this bc. I agree it's a bit noisy and would be
>>>> nicer to not have that printed, but it's not without precedent for
>>>> REPL-like things.
>>>
>>> Yes it is not without precedent for REPL-like things, still I dislike
this and
>>> would be happy to get bc interactive be as nice as the previous one we
had :)
>>>
>>> If not I will deal with it and just yell internally each time I run it
:D
>>
>> `alias bc='bc -q'` / `alias bc bc -q` and preserve your inner zen? :)
>>
>> Jess
>>
>> I was actually about to complain about the new `dc' not exiting after
evaluating a '-e' expression, without an explicit 'q'. But then I noticed the
"DC_EXPR_EXIT" envvar, which restores the desired behavior. That lead me to
discover "DC_ENV_ARGS" and, correspondingly, "BC_ENV_ARGS"; that last one would
be helpful here.
>
> That does feel like the wrong default; even GNU dc doesn't do that, and
> the principle of least surprise would suggest exiting is the right
> thing to do. It's also unlikely you want to evaluate something and then
> use it interactively.
Interesting observation - I've got to admit that I hardly ever use dc
(despite being the owner of a collection of HP UPN calculators ;-) ).
Ironically, I couldn't wrap my head around HP RPN calculators in the '90s, so I
used a TI-85 or TI-89 instead. Now, I do all my non-trivial math using RPN in
`dc'. :-)
-Ravi
I'll forward this to the author of this bc/dc and I'm sure he will
offer a patched version (unless there are strong reasons for the
current behavior, e.g. compatibility with another dc ...)
Regards, STefan
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