##
my @cksums = `find $path -type f | xargs cksums`;
####
time perl -e '@cksums = `find . -type f -print0 | xargs -0 cksum`'
time perl -e '$/="\x0";
open(I,"find . -type f -print0 |" );
open(SH,"|/bin/sh");
while () { chomp; print SH "cksum \"$_\" > /dev/null\n" }'