Re: script coded, doesnt work, when spawned with -x works

[Alex fxmbsw7 Ratchev]

On Thu, Mar 31, 2022 at 11:13 PM Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>
wrote:

>
>
> On Thu, Mar 31, 2022 at 10:31 PM Chet Ramey <chet.ramey@case.edu> wrote:
>
>> On 3/31/22 12:16 PM, Alex fxmbsw7 Ratchev wrote:
>> > i coded [ or tried ] to code a ' urlhop '
>> >
>> > script url
>> > shows menu of links with titles to select to next fetch
>> >
>> > now just, why doesnt it work
>> > i try bash run gnu.org it doesnt work, nothing back
>> > i do bash -x run gnu.org it displayed a menu and waited for input
>> >
>> > run is the bash part ( eg urlhop )
>> > and urlhop.gawk is the html parser
>> >
>> > proof i have :
>> >
>> > bash run gnu.org
>> >
>> > 0 exit 4621s old @1648743015.301939 == Thu Mar 2022-03-31
>> 16:10:15.301939
>> > +0000
>> >
>> >
>> > bash -x run gnu.org
>> >
>> > <snip>
>> > 9)
>> >   #content
>> >
>> > 10)
>> >   /gnu/gnu.html
>> >    ABOUT&nbsp;GNU
>> > 11)
>> >   /philosophy/philosophy.html
>> >    PHILOSOPHY
>> > 12)
>> >
>> >
>> > you see its buggy i have to fix it but i cant as long as it only works
>> with
>> > -x
>>
>> My bet is that it doesn't `work' with -x, but that you interpret the -x
>> output as some kind of result.
>>
>
>
yea i misinterpreted, .. it exited also no read user menu loop
i saw menu entries though .. in set -x .. which partly i pasted from it
seems


> hm i dont have any related code in use at all
>
> i run bash run gnu.org and expected a shit
> it exits 0
>
> i ran with -x to see where its hung
> it .. maybe ran maybe not yes i gotta check im not sure here sorry
>
>
>> How do you expect this to work, anyway? You consume the entire standard
>> input in urlhop.reader, throwing everything into one long string, then
>> try
>> to read again? What do you expect that second read to do? Why?
>>
>
> its the simple principe of recursed function use
> where in meta its 1. fetch url 2. analyze url 3. read output of parsing
> and proceed further, like beging with 1. and new url again
>
> i .. err .. read again to make input sure
> user might type b which is no entry
>
> ..
>
>
>>
>> --
>> ``The lyf so short, the craft so long to lerne.'' - Chaucer
>>                  ``Ars longa, vita brevis'' - Hippocrates
>> Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/
>>
>