Clearing content of files recursively in centos Linux

Question

I have log files for many websites in a structure like /var/www/domainname.com/log/access.log and I am looking to clear their content. I need to find a way to do it in one command, but I do not seem to do it, I have tried with

find /var/www/ -type f -name "access.log" -exec cat /dev/null > access.log {} \;

But this actually creates a new access.log file copying contents of all access log files of all websites.

Answer 1

You can use truncate command so that we can truncate all files at once:

find /var/www/ -type f -name access.log -exec truncate -c -s 0 {} +

• -c ensures that no files are created newly
• -s 0 sets file size to zero
• {} + makes sure all files are passed in one shot (up to ARG_MAX)

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See:

UsingFind - Greg's Wiki

Answer 2

How about:
find /var/www/ -type f -name "access.log" -exec rm {} \; -exec touch {} \;