Numbering lines

[David V Glasgow]

Thanks Mark.  What you said makes sense, but when I actually  tested it, your routine is about the same as  mine - 3200 lines in 106 seconds (on my fairly old MacBook).

Cheers,

David G

> On 26 Oct 2018, at 6:41 pm, Mark Hsu via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> I think your issue is where you say “put tcount & j into line tcount of it” — The line X of … call is very slow as it has to count every line from 1 - X.
> try this:
> 
> local tBuffer
> put 1 into tCount
> repeat for each line j in pText
>  put tCount & j & lf after tBuffer
>  add 1 to tCount
>  set the thumbpos of scrollbar “filterprog” to tCount
> end repeat
> delete line -1 of tBuffer
> put tBuffer into pText //If you want to update the initial variable with the numbered lines
> put tBuffer into field “numberedtext"
> 
> - Mark Hsu
> 
> 
> 
>> On Oct 26, 2018, at 10:27 AM, David V Glasgow via use-livecode <use-livecode at lists.runrev.com> wrote:
>> 
>> Hello folks
>> 
>> I am doing a content analysis of online chat and messaging.  Sometimes very large files, thousands or even hundreds of thousands of messages.  I am finding filter and find to be delightfully fast.
>> 
>> However…. Sometimes I want to prefix each line with the line number, and do this:
>> 
>> put  1 into tcount
>> repeat for each line j in it 
>>     put tcount &  j into line tcount of it
>>     put tcount + 1 into tcount
>>     set the thumbpos of scrollbar "filterprog" to tcount
>>  end repeat
>>  put it into field  “numberedtext”
>> 
>> I use ‘it’ because of a dim memory (superstition? Myth?) from long ago that it is faster than an arbitrarily named variable.  Still, the whole process is pretty darned  slow.  Any brilliant suggestions?
>> 
>> 
>> Best Wishes,
>> David Glasgow
>> 
>> 
>> <http://www.i-psych.co.uk/> <https://twitter.com/iPsychApps>
>> 
>> <https://twitter.com/iPsychApps> <http://uk.linkedin.com/in/davidvglasgow>
>> <http://uk.linkedin.com/in/davidvglasgow>
>> _______________________________________________
>> use-livecode mailing list
>> use-livecode at lists.runrev.com
>> Please visit this url to subscribe, unsubscribe and manage your subscription preferences:
>> http://lists.runrev.com/mailman/listinfo/use-livecode
> 
> 
> _______________________________________________
> use-livecode mailing list
> use-livecode at lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your subscription preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode