Directory created with incorrect permissions

[rspishock]

Hello again wise monks.

One of my colleagues is encountering a strange issue with a script he's working on. His script is setting up a directory structure using the  mkdir command but the permissions are not matching the permissions that he's passing to  mkdir

This is the code that he's using:  mkdir ("$new_dir", 0770) or die $!; The directory is created, however it has 750 listed as the permissions.

I've run similar code myself and haven't noticed a problem, so I'm a bit confused. For what it's worth, the script is being run on a RedHat box.

Thanks in advance for you guidance.

[moritz]

The mask you give to mkdir is just a mask, which is XORed with AND-ed with the negation of umask to create the actual permission bits. If the umask is 022, it's no surprise that the file comes out as 0750.

[Anonymous Monk]

Read the documentation for mkdir, it explains that umask is applied

[rustic]

I think you almost have it in your question. Try a umask for more info.