or download this
$ /usr/bin/perl -pie 's/^(\/usr\/sbin\/tmpwatch.\*) (\d+ \/tmp)/\$1 -x
+ \/tmp\/ccc \$2/' /tmp/tmpwatch
Can't open perl script "s/^(\/usr\/sbin\/tmpwatch.\*) (\d+ \/tmp)/\$1
+-x \/tmp\/ccc \$2/": No such file or directory.
Use -S to search $PATH for it.