On Mon, Nov 1, 2010 at 4:02 PM, Tomas Hajny <xhaj...@hajny.biz> wrote: > On Mon, November 1, 2010 19:34, Marcos Douglas wrote: >> On Mon, Nov 1, 2010 at 3:31 PM, Tomas Hajny <xhaj...@hajny.biz> wrote: >>> On Mon, November 1, 2010 19:10, Marco van de Voort wrote: >>>> In our previous episode, Marcos Douglas said: >>>>> <albertonardu...@yahoo.com> wrote: >>>>> >> Somebody can help me please? >>>>> >> I need to search strings in Text files using just FPC. >>>>> > >>>>> > how about reading every line and then using Pos() to see if some >>>>> string is >>>>> > there? >>>>> > >>>>> >>>>> I don't think this way is the fast way :( >>>>> I have many PDF files with several pages each. >>>> >>>> You'll be surprised. I've done multi million line logfiles that way. A >>>> pdf2txt is infinitely slow compared with such processing. >>> >>> Well, there at least two gotchas there. First, it's better to use a >>> reasonable (= large enough) buffer size. Second, the simplest approach >>> implying reading line by line and searching using Pos() obviously isn't >>> sufficient for searching across line breaks, i.e. you either need to >>> handle that yourself, or use some unit providing such functionality. >> >> Which unit do you recommends? > > I don't have any specific one in mind, I just wanted to point out that you > need to take care about that. Personally, I'd probably use my unit > Buffered (http://www.volny.cz/xhajt03/buffered.zip) and handle the part > related to spanning of text across lines myself if relevant (obviously, > that depends on your use case), but I'm sure that there are more complete > solutions for your needs readily available too; my comment was just to > signalize that "Pos" mentioned by Marco may not be sufficient by itself. > > BTW, to answer your other e-mail too - I don't know about solutions for > searching within PDF files directly, I'd also use the external converter > myself.
Ok Tomas. Thanks for informations and file (I'll see it). Marcos Douglas _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
