plan9-cat.1 -n %2Fhome%2Fmarcos%2FEvidencias%2FBulk_PC-20170427_%2Fwindirs.txt %7C egrep %22%5B0-9%5D*-%5B0-9%5D*-%5B0-9%5D*T%5B0-9%5D*%3A%5B0-9%5D*%3A%5B0-9%5D*%22 %7C tail 
catenate files
source manpages: plan9-cat