Creating thousands of files from shell

Question

I have thousands of directories, all of them has this format;

/var/www/vhosts/[USERNAME].company.com/conf/

and i have a file called x.txt, it's content should have

[USERNAME] and some static text...

so when i do dir /var/www/vhosts/*/conf/ , I am getting all the directories that I need to copy the file under, however, I don't know how to grab that [USERNAME] and put it in that file that i need to copy.

All suggestions welcome. I can only use shell scripting on this environment.

Thanks,

Answer 1

cd /var/www/vhosts && for d in */; do
   user=${d%%.*}
   echo "$user blah blah" > "${d}/conf/x.txt"
done

... should get you pretty much what you want.

Answer 2

Dennis and Mike make sure you're quoting ${dir}. If there are any directories with spaces this could result in some issues.

echo "$user and some static text..." > "${dir}/conf/x.txt"

For portability's sake I would use "${d%%.*}" for finding the user's name.

Answer 3

Here's another way to do it:

cd /var/www/vhosts &&
find -maxdepth 1 -mindepth 1 -type d -print0 |
while read -d '' -r dir
do
    user=$(basename "$dir" .company.com)
    echo "$user and some static text..." > "${dir}/conf/x.txt"
done