Use grep to find content in files and move them if they match

Question

I\'m using grep to generate a list of files I need to move:

grep -L -r \'Subject: \\[SPAM\\]\' .

How can I pass this list to the mv command

Answer 1

This alternative works where xargs is not availabe:

grep -L -r 'Subject: \[SPAM\]' . | while read f; do mv "$f" out; done