Re: quick GREP question

This WebDNA talk-list message is from

2001


It keeps the original formatting.
numero = 39562
interpreted = N
texte = John Peacock wrote:> Steven Jarvis wrote: >> >> I know jack about grep, though I'm planning to learn it. I *think* >> it's what >> I want to use in this situation, but I'm open to any other options, >> too. > > Get Mastering Regular Expressions from O'Reilly (ISBN 1-56592-257-2). > Ignore all of the discussion of Perl extensions to regex engines (it > will just make you jealous ;~) since the WebCat grep is pretty basic.Thanks for the tip. I use other languages than WebCat where I'm needing to learn regex, too, so it should help all around. >> I have to format some stories with WebCat and export them to a text >> file, >> and I need to cut some HTML tags and their contents out of stories if >> they >> are present. >> > > Can I call your attention to the following context which is designed > specifically for your problem: > > http://betadoc.smithmicro.com/RemoveHTMLContext.htmlI started there, actually, but I thought I had found a couple of situations where I would be removing more than just tags, but also content between them that would be out of place/context with the tags gone. There aren't too many of them, though, so I can probably get around that. > In general, you cannot use [grep] to always strip out markup tags, > due to line breaks and nesting. You really need to have a simple > state machine to correctly parse nested HTML tags; if you can make > certain assumptions about your tags, you can deal with it with grep, > but you need to be very careful. > There are assumptions I can make about these particular tags, as they always start with the same tag, ID, and class info. I'll poke around in the book and see what I can come up with.Thanks,Steven ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ Associated Messages, from the most recent to the oldest:

    
  1. why start a new thread the official way, --- WAS: Re: [WebDNA] Quick grep question (John Butler 2009)
  2. Re: [WebDNA] Quick grep question (Marc Thompson 2009)
  3. Re: [WebDNA] Quick grep question ("Dan Strong" 2009)
  4. Re: [WebDNA] Quick grep question (Donovan Brooke 2009)
  5. Re: [WebDNA] Quick grep question (Marc Thompson 2009)
  6. Re: [WebDNA] Quick grep question (Donovan Brooke 2009)
  7. Re: [WebDNA] Quick grep question (Kenneth Grome 2009)
  8. Re: [WebDNA] Quick grep question (Patrick McCormick 2009)
  9. Re: [WebDNA] Quick grep question (Marc Thompson 2009)
  10. Re: [WebDNA] Quick grep question (Kenneth Grome 2009)
  11. [WebDNA] Quick grep question (Patrick McCormick 2009)
  12. Re: [WebDNA] Quick Grep question (Govinda 2009)
  13. Re: [WebDNA] Quick Grep question (Steve Craig 2009)
  14. Re: [WebDNA] Quick Grep question (Toby Cox 2009)
  15. Re: [WebDNA] Quick Grep question (Toby Cox 2009)
  16. Re: [WebDNA] Quick Grep question (William DeVaul 2009)
  17. Re: [WebDNA] Quick Grep question (Steve Craig 2009)
  18. Re: [WebDNA] Quick Grep question (Toby Cox 2009)
  19. [WebDNA] Quick Grep question (Steve Craig 2009)
  20. Re: quick GREP question (Steven Jarvis 2001)
  21. Re: quick GREP question (John Peacock 2001)
  22. Re: quick GREP question (Maurice Rickard 2001)
  23. Re: quick GREP question (Kimberly Ingram 2001)
  24. Re: quick GREP question (Maurice Rickard 2001)
  25. Re: quick GREP question (Kimberly Ingram 2001)
  26. quick GREP question (Steven Jarvis 2001)
John Peacock wrote:> Steven Jarvis wrote: >> >> I know jack about grep, though I'm planning to learn it. I *think* >> it's what >> I want to use in this situation, but I'm open to any other options, >> too. > > Get Mastering Regular Expressions from O'Reilly (ISBN 1-56592-257-2). > Ignore all of the discussion of Perl extensions to regex engines (it > will just make you jealous ;~) since the WebCat grep is pretty basic.Thanks for the tip. I use other languages than WebCat where I'm needing to learn regex, too, so it should help all around. >> I have to format some stories with WebCat and export them to a text >> file, >> and I need to cut some HTML tags and their contents out of stories if >> they >> are present. >> > > Can I call your attention to the following context which is designed > specifically for your problem: > > http://betadoc.smithmicro.com/RemoveHTMLContext.htmlI started there, actually, but I thought I had found a couple of situations where I would be removing more than just tags, but also content between them that would be out of place/context with the tags gone. There aren't too many of them, though, so I can probably get around that. > In general, you cannot use [grep] to always strip out markup tags, > due to line breaks and nesting. You really need to have a simple > state machine to correctly parse nested HTML tags; if you can make > certain assumptions about your tags, you can deal with it with grep, > but you need to be very careful. > There are assumptions I can make about these particular tags, as they always start with the same tag, ID, and class info. I'll poke around in the book and see what I can come up with.Thanks,Steven ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ Steven Jarvis

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