Using exec() to get md5sum of a file, having a problem...
Posted: Thu Apr 01, 2010 11:35 am
First, I don't know PHP very well at all.
I have a page where people upload files through PHP, information about the person who uploaded the files and file description is stored in a file when they upload.
Basically, I want to have the md5sum of the file stored in that description as well so I can pull it when the files are listed.
The problem is that most of the directories contain spaces. So it's executing the command "md5sum files\my files\file.zip" when it needs to be "md5sum files\my/ files\file.zip" since it's a linux system. I don't know how to check for any spaces that may be in $current_dir or $filename and change them to "/ " so that the command will execute correctly.
My second question is once I get the md5sum, it will be "32 characters files\my files\file.zip" .... how can I only extract the first 32 characters so I just get the actual md5sum, instead of the md5sum and directory/file that will be in the output?
I have a page where people upload files through PHP, information about the person who uploaded the files and file description is stored in a file when they upload.
Basically, I want to have the md5sum of the file stored in that description as well so I can pull it when the files are listed.
Code: Select all
$md5file = "$current_dir/$filename";
$md5temp = exec('md5sum '.$md5file);My second question is once I get the md5sum, it will be "32 characters files\my files\file.zip" .... how can I only extract the first 32 characters so I just get the actual md5sum, instead of the md5sum and directory/file that will be in the output?