03132006 1353 GMT-6
Thanks for that James.
You dont happen to know of any way using a shell script to do that; Do you?
Or are you just saying there is a way - some where.
wade
James Keeline wrote:
>--- Wade Smart <[EMAIL PROTECTED]> wrote:
>
>
>
>>03112006 1401 GMT-6
>>
>>Im trying write a script that will do this:
>> I provide a directory location. The script scans all the files in a
>>directory, oldest to newest. In each file it looks for the word [QUOTE].
>>It counts forward until it finds [/QUOTE]. Then it copies the counted
>>characters. It opens a file titled quotes.txt and runs a scan to see if
>>that particular quote is in there. If it is not, it pastes it. If it is,
>>it drops that copied text and returns to the scan.
>>
>>Im a bit stuck on the copy part. Once I find the text, how do I copy it?
>>
>>wade
>>
>>
>
>This is basically a regular expression issue. You want to search for some
>starting and ending
>string and capture the content between these strings.
>
>$content = join("",file("somefilename"));
>$regex = "|\[QUOTE\](.*?)\[/QUOTE\]|is";
>if(preg_match($regex, $content, $matches))
>{
> print "Match found:<br>\n";
> print $matches[1];
>}
>
>Note that my regex uses vertical bars instead of the forward slash to
>determine the start and end
>of the expression. This means we don't have to escape the forward slash.
>However, since the
>square brackets have special meaning in regex, those do have to be escaped to
>use them as literal
>characters. The modifiers at the end cause the match to ignore capitalization
>(i) and allow the
>match to span multiple lines (s).
>
>The .*? finds the shortest match between the two strings. By placing this
>pattern in a
>parentheses set the value found is stored in memory and available in the array
>designated in
>preg_match. The 0 element is the entire string containing a match (not often
>useful). The 1 is
>the first set of parentheses, 2 the second, and so on.
>
>If you expect to have multiple occurrences of this pattern in your document,
>you will want to use
>preg_match_all which will place the matches in a two-dimensional array. There
>are two constants
>used to determine the behavior of the function: PREG_SET_ORDER and
>PREG_PATTERN_ORDER. I usually
>find PREG_SET_ORDER to be more useful.
>
>Keep in mind that there may be a way to do this with a Linux Bash shell script
>as well. There are
>many regular expression tools and they can parse through multiple files faster
>than a PHP script
>can, in general. The utilities used are compiled C programs and this is a
>factor. Plus, they
>have a more direct connection to the filesystem than PHP does.
>
>James
>_____
>
>James D. Keeline
>http://www.Keeline.com http://www.Keeline.com/articles
>http://Stratemeyer.org http://www.Keeline.com/TSCollection
>
>http://www.ITeachPHP.com -- Free Computer Classes: Linux, PHP, etc.
>Spring Semester January-June 2006. Two new class topics.
>
>
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