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php for windows, make a writeable file

Posted on 2011-03-11
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Last Modified: 2012-05-11
create
a file named
data$datetime

where datetime is the current datetime

and make the file 777  writable in windows
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Question by:rgb192
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10 Comments
 
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Expert Comment

by:flubbard
ID: 35112900
I'm a little confused.  777 would be a linux type structure.  To make it writable in windows, make sure the appropriate user permissions are set for the folders.  Is this a samba share?

 - flub
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Expert Comment

by:Mark Brady
ID: 35112962
777 and any other permission settings are universal so once you set the permissions for that folder it will be writable by all platforms.
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Expert Comment

by:flubbard
ID: 35112966
Correct, but is the file sitting on a linux box or windows box?

  flub
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Author Comment

by:rgb192
ID: 35117728
windows server 2008

I just want to make it writable
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Expert Comment

by:Mark Brady
ID: 35124534
So change the folder settings as stated above and your scripts will be able to upload and write to it.
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Author Comment

by:rgb192
ID: 35131538
i would like to create a  new writable file using php
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Expert Comment

by:Mark Brady
ID: 35132386
Ok here is how to create the new file.

$ourFileName = "testFile.txt";
$ourFileHandle = fopen($ourFileName, 'w') or die("can't open file"); // this lets you open the file in write mode
// write to the file here.....
fclose($ourFileHandle); // closes the file.

Here's another example with some data written to the file.

$myFile = "testFile.txt";
$fh = fopen($myFile, 'w') or die("can't open file");
$stringData = "Bobby Bopper\n";
fwrite($fh, $stringData); // write to the file
$stringData = "Tracy Tanner\n";
fwrite($fh, $stringData); // write more to the file
fclose($fh);

The file contents above will look like this when opened:

Bobby Bopper
Tracy Tanner

They are on separate lines because we added the "\n switch to the end of the $stringData to create a new line. Hope this helps.
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Author Comment

by:rgb192
ID: 35150014
works to create a file and write data to file

but how to create a filename with a datetime
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Accepted Solution

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Mark Brady earned 500 total points
ID: 35151421
Well it depends on exactly what you want for the date or datetime value (how you want it formatted). But here is a simple way of naming a file using datetime which should be unique but no guarantee unless you are the only person using the website. Let's assume you have a public server with lots of users. you would need to make the filename unique so best way to do that is to use a combination of a filename and a date/time. Try this:

Instead of the line
$myFile = "testFile.txt";

type this

$myFile = "yourfile_".date('y_m_d')."_".microtime().".txt";

Or it you don't need that level of precision you could simply use the date like this

$myFile = date('y-m-d').".txt";
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Author Closing Comment

by:rgb192
ID: 35151475
thanks
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