Hello Kent, 

Sorry for not providing a clear pointer to my work. As you have already found 
it, I just include it here for reference to others: 
https://github.com/BalazsLengyel/rfcstrip 

I assume ggrep is the gnu grep ? Maybe we should make that a variable for grep 
like we have for AWK=awk

I do not see the additional ^@ at EOF.  I tested it on cygwin, which is mostly 
GNU compatible.

This is how my file ends

 

3c 2f 69 6e 73 74 61 6e 63 65 2d 64 61 74 61 2d 73 65 74 3e 00 ---- 
</instance-data-set>

Regards Balazs

 

From: Kent Watsen <kent+i...@watsen.net> 
Sent: 2020. március 29., vasárnap 0:18
To: Balázs Lengyel <balazs.leng...@ericsson.com>
Cc: netmod@ietf.org
Subject: Re: [netmod] Where can I use <CODE BEGINS> <CODE ENDS> ?

 

Firstly, thank you for trying to improve our tooling!

 

It took me some time to find, for others: 
https://github.com/BalazsLengyel/rfcstrip

 

Running `rfcstrip -a` throws errors on MacOS.  My workaround fix was to ` brew 
install grep` and 's/grep/ggrep/' on line 483.

 

All The extracted files (including the two that are NOT folded) contain a ‘^@‘ 
character at the EOF.   This must be something introduced by `rfcstrip` because 
`rfcfold` does a simple file-level copy when unfolding isn't needed.

 

Kent // contributor

 





On Mar 26, 2020, at 5:45 PM, Balázs Lengyel 
<balazs.lengyel=40ericsson....@dmarc.ietf.org 
<mailto:balazs.lengyel=40ericsson....@dmarc.ietf.org> > wrote:

 

Hello,
I created an update to rfcstrip in Github.

Revision 1.1balazs - 2020-03-26
added -a option. If it is specified, the file must be an XML2RFC
XML file.
All artworks will be extracted from it if they carry a name attribute.
Artwork unfolding will also be executed.
If the artwork contains the , <CODE BEGIN/END> markers
they are removed.

Regards Balazs

-----Original Message-----
From: Balázs Lengyel <balazs.lengyel=40ericsson....@dmarc.ietf.org 
<mailto:balazs.lengyel=40ericsson....@dmarc.ietf.org> > 
Sent: 2020. március 26., csütörtök 11:55
To: Kent Watsen <k...@watsen.net <mailto:k...@watsen.net> >; Balázs Lengyel 
<balazs.leng...@ericsson.com <mailto:balazs.leng...@ericsson.com> >
Cc: netmod@ietf.org <mailto:netmod@ietf.org> 
Subject: RE: [netmod] Where can I use <CODE BEGINS> <CODE ENDS> ?

Hello Kent,
OK, as you are strongly opposed to it, I will remove <CODE BEGINS> <CODE ENDS> 
in the next version.
That said, I do not really agree with you. If interested see, below.
Regards Balazs

-----Original Message-----
From: netmod <netmod-boun...@ietf.org <mailto:netmod-boun...@ietf.org> > On 
Behalf Of Kent Watsen
Sent: 2020. március 25., szerda 18:25
To: Balázs Lengyel <balazs.lengyel=40ericsson....@dmarc.ietf.org 
<mailto:balazs.lengyel=40ericsson....@dmarc.ietf.org> >
Cc: netmod@ietf.org <mailto:netmod@ietf.org> 
Subject: Re: [netmod] Where can I use <CODE BEGINS> <CODE ENDS> ?

Balazs,

While possible to use the markers for instance examples...

 - they’ve never been used before, AFIAK  (historical context)
BALAZS: S0 I am a revolutionary :-)  
As I understand validation of examples have always been an issue, so making 
that more simple by automating extraction would be a step in the good direction.
 - they're unneeded, as examples don’t contain copyright (per Lada’s comment)
BALAZS: I agree that copyright is a non-issue for these examples. However <CODE 
BEGINS> is needed for another reason: easy extraction, which would make 
checking the data simpler.
 - they're disallowed by RFC 8407 for example modules (per Benoit comment)
BALAZS: strictly speaking that is about YANG examples not instance data 
examples. I also don't know/understand the reasoning behind it. A separate 
example tag would be nice, but we don't have one.
 - as a contributor, I don’t wish to birth a new convention of using the 
markers for examples.  

In order to support programmatic extraction of examples from drafts, please 
just set the “name” attribute on the <sourcecode> or <artwork> element in the 
XML draft. 
BALAZS: As far as I understand sourcecode is only available in XML2RFC v3.  
Name is not handled by rfcstrip or xym. (I don't have time to update the tools 
right now.) It would be nice to have an update to rfcstrip that checks every 
<artwork> and if it has a name attribute, it extracts the content into a file 
called "name".


2.48.2.  "name" Attribute

  A filename suitable for the contents (such as for extraction to a
  local file).  This attribute can be helpful for other kinds of tools
  (such as automated syntax checkers, which work by extracting the
  source code).  Note that the "name" attribute does not need to be
  unique for <artwork> elements in a document.  If multiple
  <sourcecode> elements have the same "name" attribute, a formatter
  might assume that the elements are all fragments of a single file,
  and such a formatter can collect those fragments for later
  processing.


Kent







On Mar 24, 2020, at 11:33 AM, Balázs Lengyel 
<balazs.lengyel=40ericsson....@dmarc.ietf.org 
<mailto:balazs.lengyel=40ericsson....@dmarc.ietf.org> > wrote:

Hello,
A reply from the rfc-editor on <CODE BEGINS>. It seems it is OK.
Regards Balazs

-----Original Message-----
From: Alice Russo <aru...@amsl.com <mailto:aru...@amsl.com> > 
Sent: 2020. március 24., kedd 16:00
To: Balázs Lengyel <balazs.leng...@ericsson.com 
<mailto:balazs.leng...@ericsson.com> >
Cc: RFC Editor <rfc-edi...@rfc-editor.org <mailto:rfc-edi...@rfc-editor.org> >
Subject: Re: Where can I use <CODE BEGINS> <CODE ENDS> ?

Greetings,

Please see below.




On Mar 21, 2020, at 8:30 AM, Balázs Lengyel <balazs.leng...@ericsson.com 
<mailto:balazs.leng...@ericsson.com> > wrote:

Hello,
Sorry if I am sending this question to the wrong person. 
We have a discussion in the NETMOD workgroup about when is it 
appropriate/allowed to use the <CODE BEGINS> <CODE ENDS> markings in drafts and 
RFCs.
We regularly use it to bracket the YANG modules defined. 
e.g.    <CODE BEGINS> file "ietf-yang-instance-d...@2020-03-19.yang 
<mailto:ietf-yang-instance-d...@2020-03-19.yang> " 


Just FYI, if you are using the new XML vocabulary [1], the markers can be 
created automatically by using markers="true"
-- for example --
<sourcecode name="ietf-yang-instance-d...@2020-03-19.yang 
<mailto:ietf-yang-instance-d...@2020-03-19.yang> " type="yang" markers="true">




However is it allowed to use it to bracket XML or json examples in drafts/rfcs? 
e.g.    <CODE BEGINS> file read-only-acm-ru...@2020-03-19.xml 
<mailto:read-only-acm-ru...@2020-03-19.xml> 


Yes, it is allowed. The markers <CODE BEGINS> and <CODE ENDS> are mentioned in 
the Trust Legal Provisions [2].

[1] 
https://protect2.fireeye.com/v1/url?k=50261255-0cacc750-502652ce-861010bc36ff-8b3716f9fa495535
 
<https://protect2.fireeye.com/v1/url?k=50261255-0cacc750-502652ce-861010bc36ff-8b3716f9fa495535&q=1&e=11f6fa43-0168-4d1f-8f5d-bffd46fff0d3&u=https%3A%2F%2Fwww.rfc-editor.org%2Fmaterials%2FFAQ-xml2rfcv3.html>
 
&q=1&e=11f6fa43-0168-4d1f-8f5d-bffd46fff0d3&u=https%3A%2F%2Fwww.rfc-editor.org%2Fmaterials%2FFAQ-xml2rfcv3.html
[2] https://trustee.ietf.org/license-info/IETF-TLP-5.htm (item 4d)

Thank you.
RFC Editor/ar





It is very handy that the rfcstrip tool can extract the CODE sections from a 
draft which facilitates checking these by external tools like yanglint. The 
checking is needed both for the YANG modules and the examples.
If you as an rfc-editor could give guidance on the issue it would be 
appreciated. I attached a planned draft.
Best regards Balazs Lengyel 

-- 
Balazs Lengyel                    Senior Specialist                       
Ericsson Hungary Ltd. 
Mobile: +36-70-330-7909              email: balazs.leng...@ericsson.com 
<mailto:balazs.leng...@ericsson.com> 

<draft-ietf-netmod-yang-instance-file-format-11.txt>

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