On 2/1/06, Markus Laire <malaire@xxxxxxxxx> wrote: > Once I have a working loop device, e.g. /dev/loop5, how can I get the > size of this device in bytes for bash-script? > I need this, so that I can create two loop-devices on top on it, like > losetup -o 0 -s $halfsize /dev/loop6 /dev/loop5 > losetup -o $halfsize /dev/loop7 /dev/loop5 > > I tried trivial `perl -e 'print -s "/dev/loop5"'`, but it just returns zero. > > There's likely a trivial answer to this, but I havn't been able to find it. ok, I just found one way to do it. I should have tried a bit more before asking from the list. `sudo perl -e 'open D, "<", "/dev/loop5"; print sysseek D,0,2; close D'` -- Markus Laire - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/
