Re: Fwd: inconstancy with RS = "(\r?\n){2}"

[Alex fxmbsw7 Ratchev]

i mailed their misc@ address

anyway before i had "\n\n" as RS stuff worked, curl wise etc
but its on an outdated version so nothing about it
maybe new, but first find why it doesnt print

On Mon, Jul 26, 2021 at 8:07 PM Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> wrote:
>
> and indeed i sometimes recieve nothing
>
> tcpserver 0 1024 gawk -v RS=\\n\\n '{ print "ye" }'
>
> and in nc to it, many newlines, no ye back
> hmh ?
>
> ill look up if i can find the mailing list
>
> On Mon, Jul 26, 2021, 20:03 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> wrote:
>>
>> no idea, with RS = "\n\n" on terminal no prob, but it may br tcpservers 
>> fault, or gawk fail to recognize raw data by tcpserver
>> curl doesnt return, control-c makes the bash reader that reads the gawk 
>> recieve it, not before, hmm ..
>>
>> On Mon, Jul 26, 2021, 19:17 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> wrote:
>>>
>>> id like to keep the double \n RS as was in my code, so i just separately 
>>> before strip em away
>>>
>>> thanks you for your input :)
>>>
>>> On Mon, Jul 26, 2021, 19:01 Ed Morton <mortoneccc@comcast.net> wrote:
>>>>
>>>>
>>>>
>>>> On 7/26/2021 11:27 AM, Alex fxmbsw7 Ratchev wrote:
>>>>
>>>> i will cause i have to RS = "" and FS = "\n"
>>>> and in another gawk strip the optional \r's away
>>>>
>>>> It wasn't clear to me that you wanted to just discard the `\r`s, that 
>>>> makes things even simpler. Given that - yes, you can use a separate call 
>>>> to awk to remove `\r`s before piping to your real script or you can do 
>>>> what I suggested below but change `$0 ~ /^\r?$/` to `{ sub(/\r$/,"") } $0 
>>>> == ""`.
>>>>
>>>>     Ed.
>>>>
>>>> On Mon, Jul 26, 2021, 17:01 Ed Morton <mortoneccc@comcast.net> wrote:
>>>>
>>>> On 7/26/2021 8:15 AM, Alex fxmbsw7 Ratchev wrote:
>>>>
>>>> ---------- Forwarded message ---------
>>>> From: Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> <fxmbsw7@gmail.com>
>>>> Date: Mon, Jul 26, 2021, 15:13
>>>> Subject: Re: inconstancy with RS = "(\r?\n){2}"
>>>> To: Aharon Robbins <arnold@skeeve.com> <arnold@skeeve.com>
>>>>
>>>>
>>>> but the RS issue remains
>>>> oh well up to better times somewhen else
>>>> thanks :)
>>>>
>>>>
>>>> Have you considered just writing code to decide if a pair of `\r?\n`s has
>>>> been seen instead of using a more complicated RS? For example, using the
>>>> default RS and ORS, I think this will do what you want:
>>>>
>>>> --------
>>>> $ cat tst.awk
>>>> $0 ~ /^\r?$/ {
>>>>     gotRS = 1
>>>>     lineNr = 0
>>>> }
>>>> !gotRS {
>>>>     # just keep appending to the record until the real RS is found
>>>>     rec = ( ++lineNr == 1 ? "" : rec ORS) $0
>>>>     next
>>>> }
>>>> {
>>>>     # we have a complete record so save it in $0 and process as normal
>>>>     gotRS = 0
>>>>     $0 = rec
>>>>     print "<" $0 ">"
>>>> }
>>>> --------
>>>> $ awk -f tst.awk
>>>> 1
>>>> 2
>>>>
>>>> <1
>>>> 2>
>>>> 3
>>>>
>>>> <3>
>>>> --------
>>>>
>>>> Regards,
>>>>
>>>>     Ed.
>>>>
>>>>
>>>>
>>>> On Mon, Jul 26, 2021, 15:12 <arnold@skeeve.com> <arnold@skeeve.com> wrote:
>>>>
>>>>
>>>> I'm sorry.
>>>>
>>>> I give up.
>>>>
>>>> You will have to use another approach. Maybe using gawk's built-in
>>>> networking will help.
>>>>
>>>> Good luck.
>>>>
>>>> Arnold
>>>>
>>>> Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> <fxmbsw7@gmail.com> wrote:
>>>>
>>>>
>>>> and no it doesnt work
>>>> also on the stderr cmd i had to quit nc ( didnt try control d ) and then
>>>> the rest appeared, on the tcpserv side, .. seems bug nothing done
>>>> i fetched git clone new and did bootstrap and further
>>>>
>>>> On Mon, Jul 26, 2021, 15:07 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> 
>>>> <fxmbsw7@gmail.com>
>>>>
>>>> wrote:
>>>>
>>>>  i just got now to it
>>>> in my testing on terminal still same bug, on testing that gawk > stderr
>>>> cmd even more newlines were needed to make it print ( on the tcpserv
>>>>
>>>> term )
>>>>
>>>> that makes it invalid for my httpd and the bug but ill just try now too
>>>>
>>>> On Mon, Jul 26, 2021, 13:24 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> 
>>>> <fxmbsw7@gmail.com>
>>>> wrote:
>>>>
>>>>
>>>> thank you big time ! ill just test now
>>>> sorry for not knowing much git
>>>>
>>>> On Mon, Jul 26, 2021, 13:17 <arnold@skeeve.com> <arnold@skeeve.com> wrote:
>>>>
>>>>
>>>> Please do
>>>>
>>>>         make distclean
>>>>         git pull
>>>>         git checkout test-socket-patch
>>>>         ./bootstrap.sh && ./configure && make
>>>>
>>>> I applied the patch and pushed it to git in that branch.
>>>>
>>>> Arnold
>>>>
>>>>
>>>>
>>>>
>>>>