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This has been discussed before here.

What I'd like to know is how to turn these:

Recursive chmod only files within this folder:

find . -type f -exec chmod 0600 {} \;

Recursive chmod only folders within this folder:

find . -type d -exec chmod 0755 {} \;

into a bash script, so it could be something like:

For files:

rchmodf 744 .

For directories:

rchmodd 755 .

and... also maybe into a nautilus right click menu option if that's possible.

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2 Answers

up vote 8 down vote accepted

Here's a script you can call by passing the mode as the first argument and one or more directory names as subsequent arguments. Under Linux, if you don't pass any directory name, it'll be as though you passed . (the current directory). Name this script rchmodf, make it executable (chmod a+rx /path/to/rchmodf) and put it somewhere on your $PATH.

mode=$1; shift
find "$@" -type f -exec chmod "$mode" {} +

Explanations: mode=$1; shift sets the variable mode to the first argument of the script and removes that first argument from the list. "$@" expands to the list of all arguments.

If you like, you can make a script that accepts both a directory mode and a file mode.

dir_mode=$1; shift
file_mode=$1; shift
find "$@" -type d -exec chmod "$dir_mode" {} + -o -type f -exec chmod "$file_mode" {} +

Note that 744 isn't a useful file mode; 644 (user-writable and world-readable) and 755 (also world-executable) are much more common. Also, changing every file in a tree to be executable or not to be executable is rarely useful; you'll probably want to call this script with arguments like +rX (capital X, to set the executable bit only for directories and for files that are already executable). In fact, the X symbolic mode is probably what you were after with these scripts: chmod -R +rX ..

With bash or zsh, there's another way to act recursively but on directories only. For bash, you need version 4 and to run shopt -s globstar first.

chmod a+rx **/*/

In zsh, you can act on files only by suffixing (.): chmod a+r **/*(.).

I'll pass on the Nautilus question.

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Ninjas an nincompoops! You can use one find to execute different commands on different result sets? +1 for overloading the OR operator. –  Caleb Jun 11 '11 at 7:52
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I wrote a script that basically does the above but also provides a bit of flexibility for command line options (directory and/or file permissions, or exclude both it automatically resets everything to 755-644). It also checks for a few error scenarios.


Hope it helps!

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You should paste the code here. That way, we avoid lots of dead links in the future. If you're worried about the two versions drifting apart, you can still leave the link there for reference. –  l0b0 Sep 22 '12 at 8:50
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