From: Brian Candler <lists@...>
Date: 2012-09-07T18:56:44+09:00
Subject: Re: awk equivalent in ruby

Josh Cheek wrote in post #1075006:
> Anyway, to expand on Brian's answer:
>
> $ cat f
> 
FC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.13.118.99.112.45.48.47.48.46.51.50.55.54.56
> = INTEGER: 1
> 
RFC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.13.118.99.112.45.48.47.49.46.51.50.55.54.56
> = INTEGER: 1
> 
RFC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.15.118.99.112.45.48.47.48.47.48.46.51.50.55.54.56
> = INTEGER: 1
> 
RFC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.15.118.99.112.45.48.47.48.47.49.46.51.50.55.54.56
> = INTEGER: 1
> 
RFC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.15.118.99.112.45.49.47.48.47.48.46.51.50.55.54.56
> = INTEGER: 1
> 
RFC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.15.118.99.112.45.49.47.48.47.49.46.51.50.55.54.56
> = INTEGER: 1
> 
RFC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.15.118.99.112.45.50.47.48.47.48.46.51.50.55.54.56
> = INTEGER: 1
> 
RFC1155-SMI::enterprises.2636.3.40.1.4.1.2.1.3.1.15.118.99.112.45.50.47.48.47.49.46.51.50.55.54.56
> = INTEGER: 1
>
>
> $ ruby -ane 'puts $F[2] if /^= INTEGER: /' < f
> 1
> 1
> 1
> 1
> 1
> 1
> 1
> 1

Josh has assumed that these are pairs of lines. I think this was just an 
artefact of formatting by the OP's mail client, and they are really 
single lines. In that case you just want the 4th column of each line:

ruby -ane 'puts $F[3]' < f

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