Help for this page
conch:~% du -sk * | perl -MFoo -e k2m 0.01M Foo.pm 6.88M Mail ... /dev/sd0f 1.89G 0.87G 0.93G 48% /usr/guest1 /dev/sd0e 0.71G 0.38G 0.29G 56% /usr/msen mfs:25 63471 116 60181 0% /tmp
package Foo; ... sub b2g { filter_columns(1024*1024*1024, 'G') } 1;