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Languages :: PHP :: checking the contents of files
By: roe1and Great Britain  Date: 08/11/2007 12:33:17  English  Points: 20 Status: Answered
Quality : Excellent
can i use php to check if the files in a folder contain a certain bit of information. i have a directory with subdirectories that contains thousands of xml files. is there(or by now i should say how) a way to run through all of them and see if they contain the tag <APS_content>?
By: VGR Date: 08/11/2007 19:42:43 English  Type : Answer
raté ;-)

there's no "fast & clean" way of doing this.

-fast but dirty : exec() or system() a shell command "grep", get results, parse, and voila
-not fast but clean : read them all using ob_*()+file() or readfile() - I never remember which one outputs the file contents and which one does not - so that all the contents are contained in a big string ; then use strpos() to locate APS_content ; then loop
By: roe1and Date: 09/11/2007 11:02:38 English  Type : Comment
again. had to abandon this. i've read that perl is not that different to php. wish me good luck again
By: VGR Date: 09/11/2007 21:46:04 English  Type : Comment
personally I would stupidly do it like this :

// accès à l'access_log pour (IPaddr,date) $locExtraitlog=''; $lignes=array(); $locannee=substr($locDate,0,4); $locmois=NumToStr3(substr($locDate,5,2)); $locjour=substr($locDate,8,2); $locheure=substr($locDate,11,8); //test echo " exec : C:\grep \"$locIP - - \[$locjour/$locmois/$locannee:$locheure\" \"$accesslog\""; // $locExtraitlog=exec("C:\grep \"$locIP - - \[$locjour/$locmois/$locannee:$locheure\" \"$accesslog\"",$lignes); // le mieux possible en non-root (-f) //test echo " bloc trouvé )".htmlspecialchars($locExtraitlog)."(";


that's very old coding standard but it works. It greps the Apache access.log for a specific IP address and date_time
By: roe1and Date: 10/11/2007 11:36:43 English  Type : Comment
i came accross grep yesterday for the first time. very handy. i've started teaching my wife php too!

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