If you have enough RAM, try
b=. 127 < a. i. data
data=. b } data,:' '
Пт, 11 сен 2015, Strale написал(а):
> Hello
>
> I have a very big file 3 G Bytes and I need to make some search on it :(
> data is 8 bit char data
>
> J open it without problem
> but I have some problem to use "rxmatches" due to the not 7 bit ASCII chars
> (I presume)
>
> I have used a trik to delete data > of 7 bit but is very badd and lead to
> out of memory
>
> I take the inddexes of ASCII chars > of 127
> and then I look inside data for those indexes with command i.
> once found I change with spaces the indexes found with the comand ' '
> (indexes) } data
>
>
> data <- is loaded with 3 G Bytes
> remove =.( 128 + i. 128 ) { a. NB. >7bit ASCII
>
> data =. ' ' ((128 > remove i. data) # i. $ data) } data NB. to 7bit ASCII
>
> |out of memory
>
>
>
> Is there a better way to do it ?
>
>
>
> Thanks
>
> Paolo
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