Sort the output alphabetically

[jagg]

Hi,

how do I have to change/edit my code that the output is sort by the
file name (from a-z)?

<?php
$nr= 0;

$handle=opendir ($path);

while($datei = readdir($handle )) {
if (preg_match('/^w+.htm$/', $datei)) {

$filearray = file("$datei");
$filestring = implode("",$fil earray);

echo "<tr>";
echo "<td class=\"text\" width=\"4%\">". ++$nr."</td>";
echo "<td class=\"text\" width=\"32%\">
<a class=\"link\" href=\"$datei\"
target=\"_blank \">$datei</a></td>";

echo "<td class=\"verantw \" width=\"32%\">" ;
if (eregi ("!!!!(.*)!!!!" , $filestring, $verantwortlich er)) echo
$verantwortlich er[1];
else echo '&nbsp;';
echo "</td>";

echo "<td class=\"text\" width=\"32%\">" ;
if (eregi ("<title>(.* )</title>", $filestring, $titel)) echo
$titel[1];
else echo '&nbsp;';
echo "</td>";

echo "</tr>";

}
}
?>

Thanks!

[Pedro Graca]

Re: Sort the output alphabetically

jagg wrote:[color=blue]
> how do I have to change/edit my code that the output is sort by the
> file name (from a-z)?
>
> <?php
> $nr= 0;
>
> $handle=opendir ($path);[/color]

// initialize an array to hold the file names
$path_files = array();
[color=blue]
> while($datei = readdir($handle )) {[/color]

// add filename to the array
$path_files[] = $datei;
}
closedir($handl e);

// sort the file names array
sort($path_file s);

// loop with a foreach instead of the while() loop
foreach ($path_files as $datei) {
[color=blue]
> if (preg_match('/^w+.htm$/', $datei)) {[/color]
(rest of script not checked and snipped)
[color=blue]
> Thanks![/color]

You're welcome.

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[jagg]

Re: Sort the output alphabetically

It works.... thank you very much!

But there is a problem with this code......

When there are more than ~150 files in a folder, the output stops
after ~150 files :-(! How can I make this code "faster"?

[Pedro Graca]

Re: Sort the output alphabetically

jagg wrote:[color=blue]
> It works.... thank you very much!
>
> But there is a problem with this code......
>
> When there are more than ~150 files in a folder, the output stops
> after ~150 files :-(! How can I make this code "faster"?[/color]

How can you have 150 files for which the name
matches /^w+.htm$/? ?!?!?!?!?!


<?php
$nr = 0;

$handle = opendir($path);

// initialize an array to hold the file names
$path_files = array();

while(($datei = readdir($handle )) !== false) {
// test file name *before* adding to array
if (preg_match('/^w+.htm$/', $datei)) {
// add filename to the array
$path_files[] = $datei;
}
}
closedir($handl e);

// sort the file names array
sort($path_file s);

// loop with a foreach instead of the while() loop
foreach ($path_files as $datei) {
// whatever, notice I removed the if()
}


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[jagg]

Re: Sort the output alphabetically


"Pedro Graca" <hexkid@hotpop. com> schrieb im Newsbeitrag
news:slrnceksau .16c.hexkid@ID-203069.user.uni-berlin.de...[color=blue]
> How can you have 150 files for which the name
> matches /^w+.htm$/? ?!?!?!?!?![/color]

Hmm, there are 183 htm-files in that folder......!!! !

With your second code I get now ~164 htm-files then the output stops :-(

Another idea to get the last 19 ones!?
(...some files from these 19 have ~50k... so really big :-( )

[Pedro Graca]

Re: Sort the output alphabetically

jagg wrote:[color=blue]
>
> "Pedro Graca" <hexkid@hotpop. com> schrieb im Newsbeitrag
> news:slrnceksau .16c.hexkid@ID-203069.user.uni-berlin.de...[color=green]
>> How can you have 150 files for which the name
>> matches /^w+.htm$/? ?!?!?!?!?![/color]
>
> Hmm, there are 183 htm-files in that folder......!!! ![/color]

w.htm
ww.htm
wwwwwwwww.htm
w0htm
w1htm
wwwwxhtm

I can imagine 183 file names matching /^w+.htm$/, but I find it rather
awkward :)

[color=blue]
> With your second code I get now ~164 htm-files then the output stops :-(
>
> Another idea to get the last 19 ones!?
> (...some files from these 19 have ~50k... so really big :-( )[/color]


Do you *really* need to read all of the file just to get the
!!!!(.*)!!!! and <title>(.*)</title> ?

Maybe it's better to read each file line-by-line until you get the data
you need, especially if that data is near the top of the files.


Try clearing the variables before you use them:

unset($filearra y, $filestring);
$filearray = file("$datei");
$filestring = implode("",$fil earray);

If you have PHP >= 4.3.0 you can do

unset($filestri ng);
$filestring = file_get_conten ts($datei);

avoiding the use of $filearray


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[jagg]

Re: Sort the output alphabetically


"Pedro Graca" <hexkid@hotpop. com> schrieb im Newsbeitrag
news:slrncel52h .16c.hexkid@ID-203069.user.uni-berlin.de...[color=blue]
> I can imagine 183 file names matching /^w+.htm$/, but I find it rather
> awkward :)[/color]

hm, /^w+.htm$/ gets me ALL *.htm-files not only such files which begin with
a "w"!?!?
How would you do that?
[color=blue]
> unset($filestri ng);
> $filestring = file_get_conten ts($datei);[/color]

Ok, done that.

[color=blue]
> Do you *really* need to read all of the file just to get the
> !!!!(.*)!!!! and <title>(.*)</title> ?
>
> Maybe it's better to read each file line-by-line until you get the data
> you need, especially if that data is near the top of the files.[/color]


Yes, that is a good idea because the needed data are always near the
top of the file.
So how to read each file line-by-line until i get the needed data?

Thanks

[Pedro Graca]

Re: Sort the output alphabetically

jagg wrote:[color=blue]
> "Pedro Graca" <hexkid@hotpop. com> schrieb im Newsbeitrag
> news:slrncel52h .16c.hexkid@ID-203069.user.uni-berlin.de...[/color]
[color=blue]
> hm, /^w+.htm$/ gets me ALL *.htm-files not only such files which
> begin with
> a "w"!?!?
> How would you do that?[/color]

echo 'w.htm is '; if (!preg_match('/^w+.htm$/', 'w.htm')) echo 'not ';
echo "matched.\n ";
echo 'x.htm is '; if (!preg_match('/^w+.htm$/', 'x.htm')) echo 'not ';
echo "matched.\n ";
echo 'ww.htm is '; if (!preg_match('/^w+.htm$/', 'ww.htm')) echo 'not ';
echo "matched.\n ";
echo 'wx.htm is '; if (!preg_match('/^w+.htm$/', 'wx.htm')) echo 'not ';
echo "matched.\n ";
echo 'wwwhtm is '; if (!preg_match('/^w+.htm$/', 'wwwhtm')) echo 'not ';
echo "matched.\n ";
echo 'wwxhtm is '; if (!preg_match('/^w+.htm$/', 'wwxhtm')) echo 'not ';
echo "matched.\n ";
[color=blue][color=green]
>> unset($filestri ng);
>> $filestring = file_get_conten ts($datei);[/color]
>
> Ok, done that.[/color]

Any change?
[color=blue][color=green]
>> Do you *really* need to read all of the file just to get the
>> !!!!(.*)!!!! and <title>(.*)</title> ?
>>
>> Maybe it's better to read each file line-by-line until you get the
>> data
>> you need, especially if that data is near the top of the files.[/color]
>
>
> Yes, that is a good idea because the needed data are always near the
> top of the file.
> So how to read each file line-by-line until i get the needed data?[/color]


If !!!!(.*)!!!! and <title>(.*)</title> are always on one line, I might
try something along these lines:

foreach() {
fopen();
loop() {
fgets();
/* if both pieces of data found, end loop */
}
fclose();
}


Happy Coding :-)

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[jagg]

Re: Sort the output alphabetically


"Pedro Graca" <hexkid@hotpop. com> schrieb im Newsbeitrag
news:slrncelcbc .16c.hexkid@ID-203069.user.uni-berlin.de...[color=blue]
> echo 'w.htm is '; if (!preg_match('/^w+.htm$/', 'w.htm')) echo 'not ';
> echo "matched.\n ";
> echo 'x.htm is '; if (!preg_match('/^w+.htm$/', 'x.htm')) echo 'not ';
> echo "matched.\n ";
> echo 'ww.htm is '; if (!preg_match('/^w+.htm$/', 'ww.htm')) echo 'not ';
> echo "matched.\n ";
> echo 'wx.htm is '; if (!preg_match('/^w+.htm$/', 'wx.htm')) echo 'not ';
> echo "matched.\n ";
> echo 'wwwhtm is '; if (!preg_match('/^w+.htm$/', 'wwwhtm')) echo 'not ';
> echo "matched.\n ";
> echo 'wwxhtm is '; if (!preg_match('/^w+.htm$/', 'wwxhtm')) echo 'not ';
> echo "matched.\n ";[/color]

Hm, you're right... BUT i get ALL htm-files with this preg_match!?! How is
this
possible? How must the preg_match looks like correct?
[color=blue][color=green][color=darkred]
> >> unset($filestri ng);
> >> $filestring = file_get_conten ts($datei);[/color]
> >
> > Ok, done that.[/color]
>
> Any change?[/color]

Hm, I get now about 10 files more... but even not all ~183 files.
[color=blue]
> If !!!!(.*)!!!! and <title>(.*)</title> are always on one line, I might
> try something along these lines:
>
>foreach() {
> fopen();
> loop() {
> fgets();
> /* if both pieces of data found, end loop */
> }
> fclose();
>}[/color]

Yes, they are.... So I play with this code. I hope I can find the rigt one
:-)!

[Pedro Graca]

Re: Sort the output alphabetically

jagg wrote:[color=blue]
> Hm, you're right... BUT i get ALL htm-files with this preg_match!?! How is
> this possible? How must the preg_match looks like correct?[/color]

Don't know ... something wrong with your code, perhaps?

Set the errorlevel in your script to report *everything*
Insert these two lines at the top, right after the opening "<?php"

ini_set('error_ reporting', E_ALL);
ini_set('displa y_errors', '1');


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[jagg]

Re: Sort the output alphabetically


"Pedro Graca" <hexkid@hotpop. com> schrieb im Newsbeitrag
news:slrnceldkd .16c.hexkid@ID-203069.user.uni-berlin.de...[color=blue]
> ini_set('error_ reporting', E_ALL);
> ini_set('displa y_errors', '1');[/color]

I get NO errors when I put these two lines at the top of the code..... hm

[Pedro Graca]

Re: Sort the output alphabetically

jagg wrote:[color=blue]
> How must the preg_match looks like correct?[/color]

if (preg_match('/^\w+\.htm$/', $filename)) { /* match found! */ }
# _______________ _^__^____

\w+ == one or more "word" characters
w+ == one or more "w"

\. == the dot itself
.. == any character (except newline, unless ...)

[color=blue]
> Hm, I get now about 10 files more... but even not all ~183 files.[/color]

What happens when you get 300 files?
Don't try to solve your problem for 200 files!

Solve it for any number of files!!


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[jagg]

Re: Sort the output alphabetically


Ok, now it works perfect..... and with very high speed :-)

Changed the while to:
while($datei = readdir($handle ))
{
if (($datei != ".") && ($datei != "..") && (!is_dir($datei )) &&
(preg_match('/^[\w-]+\.htm$/', $datei)))
{
$path_files[] = $datei;
}
}

and the[color=blue][color=green][color=darkred]
> >> unset($filestri ng);
> >> $filestring = file_get_conten ts($datei);[/color][/color][/color]

to:
$filestring = "";
$fp = fopen($datei, "r");
for ($i = 0; $i < 12; $i++)
{
$filestring .= fgets($fp, 4096);
}
fclose($fp);

=> so I only read the first 12 lines from every file....

[Pedro Graca]

Re: Sort the output alphabetically

jagg wrote:[color=blue]
> Ok, now it works perfect..... and with very high speed :-)[/color]

Good!

[color=blue]
> Changed the while to:
> while($datei = readdir($handle ))
> {
> if (($datei != ".") && ($datei != "..") && (!is_dir($datei )) &&
> (preg_match('/^[\w-]+\.htm$/', $datei)))
> {
> $path_files[] = $datei;
> }
> }[/color]

slight speed improvement:

if ((preg_match('/^[\w-]+\.htm$/', $datei)) && (!is_dir($datei )))
{
$path_files[] = $datei;
}

You don't need to test specifically for "." and "..", the preg_match
already does that.

I'm not so sure about this, but switching the order of the tests
and making php only test for is_dir() when the name matches
should make a difference too!

a) if ((preg_match()) && (!is_dir()))
b) if ((!is_dir()) && (preg_match()))

Try both ways and if the speed difference is noticeable
use the fastest :)

[color=blue]
> to:
> $filestring = "";
> $fp = fopen($datei, "r");
> for ($i = 0; $i < 12; $i++)
> {
> $filestring .= fgets($fp, 4096);
> }
> fclose($fp);
>
> => so I only read the first 12 lines from every file....[/color]

ok ... but I was thinking of a (possibly) slower solution capable
of getting the data whether it is in the first 12 lines or not :-)

$excla_string = '';
$title_string = '';
$fp = fopen($datei, 'r');
while (!feof($fp)) {
$line = fgets($fp, 4096);
if (preg_match('/!!!!(.*)!!!!/', $line, $matches)) {
$excla_string = $matches[1];
}
if (preg_match('@< title>(.*)</title>@i', $line, $matches)) {
$title_string = $matches[1];
}
if ($excla_string && $title_string) break;
}
fclose($fp);
// now use $excla_string and $title_string



Happy Coding :-)
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[jagg]

Re: Sort the output alphabetically

> a) if ((preg_match()) && (!is_dir()))[color=blue]
> b) if ((!is_dir()) && (preg_match()))[/color]

b looks to be the faster one....
[color=blue]
> $excla_string = '';
> $title_string = '';
> $fp = fopen($datei, 'r');
> while (!feof($fp)) {
> $line = fgets($fp, 4096);
> if (preg_match('/!!!!(.*)!!!!/', $line, $matches)) {
> $excla_string = $matches[1];
> }
> if (preg_match('@< title>(.*)</title>@i', $line, $matches)) {
> $title_string = $matches[1];
> }
> if ($excla_string && $title_string) break;
> }
> fclose($fp);[/color]

Use your code now.... it seems that this is the faster one too
(most !!!!- and title-lines are before the 12th line..)

Again THANKS for your help!!!