[Tutor] free loop device

[Nathan McBride]

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Hey Guys,

I have a program that uses the loop devices.  However I originally was
finding the free one with:
'losetup -f'.  Which returns the next free loop device. :D  However, I
found that some of the other distros
have a version of losetup that does not include that switch.  So I am
trying to work up another way to get the
next device.

What I'm figuring is doing 'losetup -a', parsing the returned data, and
incrementing it by one...
However I don't know how to accomplish this.  An example 'losetup -a'
would be like this:

[root at localhost Desktop]# losetup -a
/dev/loop0: [fd00]:11305639 (enc)
/dev/loop1: [fd00]:11306533 (/home/nmcbride/Desktop/xxxxxxxxxxxxxxx.iso)

Can anyone give me a hand?

Thanks,
Nate
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