plan9-read.1 -n %2Fhome%2Fmarcos%2FEvidencias%2FBulk_PC-20170427_%2Fdomain.txt %7C egrep -o %22%5Cb%5Ba-zA-Z0-9.-%5D%2B%40%5Ba-zA-Z0-9.-%5D%2B%5C.%5Ba-zA-Z0-9.-%5D%2B%5Cb%22 %7C sort %7C uniq %7C egrep -i %22%5B.%5Dru%7C%5B.%5Duk%7C%5B.%5Dde%22
catenate files
source manpages: plan9-read