chmod all files 644 and files 755

cope · 03-30-2007, 11:46 PM

Hi,

I've got a mass of files sitting in a directory I copied from my windows eons ago.

It has about 150gig of 4mb files

the directory tree can go up to 10 levels deep.

Because they were copied off a XP machine, the permissions aren't set correctly.
What i'm after is an EASY way (or a utility) that will chmod all files 644 and all folders 755.. if I have to run two commands to do this, eh, I'll live!

Otherwise, I'll have to elarn how to shell or even worse I'll do it in PHP with exec or system calls, both I don't really want to do due to time constraints.

If anyone can lend a hand I would appreciate it.

Simon Bridge · 03-31-2007, 12:22 AM

Of course: chmod -R 755 /top/directory will set everything to 755 throughout the tree. This means your problem is reduced to setting the x bit to 0 for all files that are not directories... chmod -R -x [file] but you need scripting skills to single out only non-directories from this.

Have fun.

jschiwal · 03-31-2007, 12:32 AM

You can use the find command to select just the files and the -exec option to change the permissions:
find top/directory -type f -exec chmod 0644 '{}' \;
find top/directory -type d -exec chmod 0755 '{}' \;

You can also combine both operations into one find command:

Code:

find top/directory  \( -type d -exec chmod -v 755 '{}' \; \) \
                 -o \( -type f -exec chmod -v 644 '{}' \; \)

General Failure · 03-31-2007, 05:57 AM

Or do

Code:

find . -type d -print0 | xargs -0 chmod 0775 # For directories
find . -type f -print0 | xargs -0 chmod 0664 # For files

in the directory where you have the dirs/files.