Modifying replace string in xargs

Question

When I am using xargs sometimes I do not need to explicitly use the replacing string:

find . -name \"*.txt\" | xargs rm -rf

In oth

Answer 1

Inspired by an answer by @justaname above, this command which incorporates Perl one-liner will do it:

find ./ -name \*.txt | perl -p -e 's/^(.*\/(.*)\.txt)$/mv $1 .\/foo\/$2.bar.txt/' | bash