hdiutil not finishing (UDRW)

Question

I'm trying to convert a .iso to a .img using

server:~ user$ hdiutil convert -format UDRW -o ~/Downloads/ubuntu-12.04-alternate-powerpc.dmg ~/Downloads/ubuntu-12.04-alternate-powerpc.iso 

Usage:  hdiutil convert -format <format> -o <outfile> [options] <image>
        hdiutil convert -help

Every time I run the command it creates the file on the desktop, then when it finishes running the file's gone. It's clear that there is an error somewhere, but I get no information.

Whats going wrong?

Answer 1

I think you just need to juggle the order of things:

hdiutil convert ~/whatever.img -format UDRW -o ~/destination.iso

I may be wrong, but top of my head I see that...