This only works for things thrown into the trash on the boot disk. The size of the trash on disk images, network drives and removable media will not be included in the reported size, but will be deleted when the trash is emptied.

$ sudo du -sk ~/.trash /Volumes/*/.trashes/ | \
awk "{sum += \$1} END{print sum}" ${1+"$@"}

sudo du -skc ~/.Trash/ /.Trashes/ /Volumes/*/.Trashes/ | grep total | awk '{print $1}'

i also wrote a basic konfabulator widget to do this (i was bored), it needs some one to do the art work but ill post the code/widget if any one wants it. its faster than using the apple script.

http://kmirror.deskmod.com is the konfabulator home page.

Konfabulator is a program that lets you run widgets (like weather, iTunes remotes, wrapers for cgi utils) that are writen in xml and java script. The widgets are easy to write.

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