fix_perm.sh

#! /bin/bash                                                                                                                                                                    
 
DIR_MODE="775"
FILE_MODE="g+w"
GROUP=myconfig
PATTERN='^/etc/myconfig/'
 
sudo=
id="$(whoami)"
if [ "root" != "$id" ] ; then
    sudo="sudo -E"
fi
 
targets=.
if [ $# -gt 0 ] ; then
    targets="$*"
fi
 
for target in $targets; do
    if [ ! -r $target ] ; then
        echo "ERROR: Path '"$target"' is not readable."
        exit 1;
    fi
    target=$(cd "$(dirname $target)"; pwd)/$(basename $target)
    # remove double slash in case of top-level directory
    target=${target/\/\//\/}
    if echo $target | grep -o -E $PATTERN ; then
        if [ ! -e $target ] ; then
            echo "ERROR: Path '"$target"' does not exist."
            exit 1;
        fi
        echo "Fixing configuration permissions of '"$target"'"
        $sudo chgrp -R $GROUP $target
        $sudo chmod $DIR_MODE $(find $target -type d)
        $sudo chmod $FILE_MODE $(find $target -type f)
    else
        echo "I'm sorry, $id. I'm afraid I can't do that to '"$target"'."
        exit 1;
    fi
done