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Full Discussion: Pass shell Variable to awk
Top Forums UNIX for Dummies Questions & Answers Pass shell Variable to awk Post 302883740 by Don Cragun on Wednesday 15th of January 2014 05:33:56 PM
Old 01-15-2014
Assuming that you are invoking a shell script that contains this line of code and you are passing it two parameters the first of which is the provider number and the second of which is the UNINUM (whatever that is) and that the 1st field in your datafile is the provider number and the 3rd field in your datafile is the UNINUM, it would be much safer to look for the provider number in the provider field and the UNINUM number in the UNINUM field than to search for both of them appearing anywhere in the line:
Code:
UNINUM_DESC=`awk -F'|' -v UNINUM="$2"  -v PROVIDER="$1" '$3 == UNINUM && $1 == PROVIDER {print $4}' datafile`

This User Gave Thanks to Don Cragun For This Post:
 

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SHOREWALL6-RTRULES(5)						  [FIXME: manual]					     SHOREWALL6-RTRULES(5)

NAME
rtrules - Shorewall6 Routing Rules file SYNOPSIS
/etc/shorewall6/rtrules DESCRIPTION
Entries in this file cause traffic to be routed to one of the providers listed in shorewall6-providers[1](5). The columns in the file are as follows. SOURCE (Optional) - {-|interface|address|interface:<address>} An ip address (network or host) that matches the source IP address in a packet. May also be specified as an interface name optionally followed by ":" and an address. If the device lo is specified, the packet must originate from the firewall itself. Beginning with Shorewall 4.5.0, you may specify &interface in this column to indicate that the source is the primary IP address of the named interface. DEST (Optional) - {-|address} An ip address (network or host) that matches the destination IP address in a packet. If you choose to omit either SOURCE or DEST, place "-" in that column. Note that you may not omit both SOURCE and DEST. PROVIDER - {provider-name|provider-number|main} The provider to route the traffic through. May be expressed either as the provider name or the provider number. May also be main or 254 for the main routing table. This can be used in combination with VPN tunnels, see example 2 below. PRIORITY - priority The rule's numeric priority which determines the order in which the rules are processed. Rules with equal priority are applied in the order in which they appear in the file. 1000-1999 Before Shorewall6-generated 'MARK' rules 11000-11999 After 'MARK' rules but before Shorewall6-generated rules for ISP interfaces. 26000-26999 After ISP interface rules but before 'default' rule. MARK - {-|mark[/mask]} Optional -- added in Shorewall 4.4.25. For this rule to be applied to a packet, the packet's mark value must match the mark when logically anded with the mask. If a mask is not supplied, Shorewall supplies a suitable provider mask. EXAMPLES
Example 1: You want all traffic coming in on eth1 to be routed to the ISP1 provider. #SOURCE DEST PROVIDER PRIORITY MASK eth1 - ISP1 1000 FILES
/etc/shorewall6/rtrules SEE ALSO
http://shorewall.net/MultiISP.html shorewall6(8), shorewall6-accounting(5), shorewall6-actions(5), shorewall6-blacklist(5), shorewall6-hosts(5), shorewall6-interfaces(5), shorewall6-maclist(5), shoewall6-netmap(5),shorewall6-params(5), shorewall6-policy(5), shorewall6-providers(5), shorewall6-routestopped(5), shorewall6-rules(5), shorewall6.conf(5), shorewall6-secmarks(5), shorewall6-tcclasses(5), shorewall6-tcdevices(5), shorewall6-tcrules(5), shorewall6-tos(5), shorewall6-tunnels(5), shorewall6-zones(5) NOTES
1. shorewall6-providers http://www.shorewall.net/manpages6/shorewall6-providers.html [FIXME: source] 06/28/2012 SHOREWALL6-RTRULES(5)
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