gistfile1.eclass

time( ls -d **/* | xargs grep TODO | awk '{print $0 "\n" }' )
(; ls -d **/* | xargs grep TODO | awk '{print $0 "\n" }'; )  0,01s user 0,01s system 102% cpu 0,019 total

time( find -P * | xargs grep TODO | awk '{print $0 "\n" }' )
(; find -P * | xargs grep TODO | awk '{print $0 "\n" }'; )  0,00s user 0,01s system 88% cpu 0,017 total

time ( zargs **/*  -- grep TODO | awk '{print $0 "\n" }'  )
(; zargs **/* -- grep TODO | awk '{print $0 "\n" }'; )  0,00s user 0,00s system 20% cpu 0,017 total