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Top Forums Shell Programming and Scripting Calling a Variable based on a Variable Post 302817637 by fpmurphy on Thursday 6th of June 2013 07:49:32 AM
Old 06-06-2013
Note that ${! ... } is a bashism and does not work in other shells.

A more portable method is to use eval, i.e.
Code:
eth1_ip=192.168.1.1
int=eth1

ethip=$"$int"_ip
eval echo \$${ethip}

 

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AGGREGATE-IOS(1)					      General Commands Manual						  AGGREGATE-IOS(1)

NAME
aggregate-ios - optimise a concatenated set of cisco/IOS prefix filters to help make them nice and short. SYNOPSIS
aggregate-ios <source_config >optimised_config DESCRIPTION
Takes cisco IOS configuration on stdin, and optimises any prefix filters found using aggregate(1). Optimised filters are produced on std- out. OPTIONS
None. DIAGNOSTICS
Any diagnostics produced by aggregate(1) are passed through on stderr. EXAMPLES
The following configuration fragment: ip prefix-list AS65530 description Foo, Inc ip prefix-list AS65530 permit 10.1.0.0/16 ip prefix-list AS65530 permit 10.2.0.0/16 ip prefix-list AS65530 permit 10.2.1.0/24 ip prefix-list AS65530 permit 10.3.0.0/16 ip prefix-list AS65531 description Bar.Com ip prefix-list AS65531 seq 5 permit 192.168.1.0/24 ip prefix-list AS65531 seq 10 permit 192.168.2.0/24 ip prefix-list AS65531 seq 15 permit 192.168.0.0/19 is optimised as follows: ip prefix-list AS65530 permit 10.1.0.0/16 le 24 ip prefix-list AS65530 permit 10.2.0.0/15 le 24 ip prefix-list AS65531 permit 192.168.0.0/19 le 24 SEE ALSO
aggregate(1) HISTORY
Aggregate-ios was written by Joe Abley <jabley@mfnx.net>. BUGS
All those in aggregate(1) and then some :) Joe Abley 2000 November 27 AGGREGATE-IOS(1)
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