How to use a variable in the name of another variable in bash?

S

Sergey2015-12-04 20:15:02

linux

Sergey, 2015-12-04 20:15:02

There is a for i in 10 loop.
How can I use a variable whose name depends on $i in it?
Those. there are variables
disk_1
disk_2
and I want to use something like
$disk_$i in the loop

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3 answer(s)

S

Sergey, 2015-12-04
@butteff

KVM_VM_DISK_SIZE_2='20000'
prefix='KVM_VM_DISK_SIZE_'
i=2
size=$(eval echo "\$$prefix$i")
echo $size

result:
20000

D

Duha666, 2015-12-04
@Duha666

Use array

O

Oleg, 2014-03-16
@th_alex

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