Extracting data row by row from txt file.

CybJunior

Hi,
Lets say i have a page with 10 input rows, and i have a txt file with 10 lines of text in it, how do i upload this file so the script would place each line into each row?
Where can i find an example of similar script?
Thanks in advance for your help.
Alexey

laserlight

There's this curious function named [man]file/man, and another named [man]nl2br/man. Of course, these may not do what you want, but "page with 10 input rows" doesnt really mean anything.

CybJunior

Here's how the page with input rows looks like:

<input type="text" name="urls[0]" value="<?=$urls[0]?>" size="50"><br>
<input type="text" name="urls[1]" value="<?=$urls[1]?>" size="50"><br>
<input type="text" name="urls[2]" value="<?=$urls[2]?>" size="50"><br>

And i want there to be an upload field were i can write the txt file path, so the script would take the values from each row and post it into each of the rows on that page.
How can i do it?
Thanks again.

laserlight

Well, you can still use file(), since that returns an array. All you need to do is loop through the array returned and write the form elements, populating them with the content of each line.

CybJunior

Yeah, right... easy to say for you... i can be reading the manual for a week until something comes up in my mind...
Sorry for that...

laserlight

Well, depending on how your file data is structured, it could be something as simple as:

$lines = file($filename);
foreach ($lines as $line) {
	echo '<input type="text" name="urls[]" value="'
		. rtrim($line) . '" size="50"><br>' . "\n";
}

Note that I use rtrim() on $line because the array of lines returned by file() keeps the newline sequences at the end of each line. In this case, you presumably dont want to print with these newline sequences present.

CybJunior

thanks a lot you have been realy very helpful, i know i should do something more for such help than say thanks, but dont know what exactly....

Alexey