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

[Chet Ramey]

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.

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?

--
``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/