[ale] Flat file post-processing - drop records based on text string

Byron A Jeff byron at cc.gatech.edu
Thu Jul 28 10:04:45 EDT 2005


On Thu, Jul 28, 2005 at 09:57:34AM -0400, brucelists at bellsouth.net wrote:

> Hey - I've got a basic question. I have a huge text file, and am looking to
>drop records based on what is found in the text string. If a record has the
>text "rs232", "slip", "decnet" or "VA-1" anywhere in it, I want to drop it.
>If not, I want to keep the record.  >

> Is there a simple string I can use to do this? 
> I'm not sure if I just want to run a search string, or go Perl - but either
> way, I have a huge filebut most of needs to be dropped.

Well the following egrep command should do the trick:

egrep -v "rs232|slip|decnet|VA-1" hugefile

Take a try with it and see how it works for you.

BAJ



More information about the Ale mailing list