mkdir -p /tmp/teste/1/2/3/4/5/6/7/8/9/0/1/2/3/4
date --date="Abr 10 22:10"
date --date="Abr 10 22:10" +%s => /tmp/teste/1/2/3/4/5/6/7/8/9/0/1/2/3/4/futuro
date | cat - /tmp//tmp/teste/1/2/3/4/5/6/7/8/9/0/1/2/3/4/futuro | md5sum => /tmp/a
rm -rf /tmp/teste
wget www.kernel.org | md5sum => /tmp/b
diff -urN /tmp/a /tmp/b | wc -l
echo "1 2 3" | cat - /tmp/a
fim