Re: Print fields starting with N to the end of line.

On 3/30/2008 1:12 PM, Peter wrote:
> Hello, seems that I'm missing something obvious. There is file with
> variable number of field, is there any simple way in awk to print
> fields starting with field N up to the end of line. e.g.
> 
> $ cat test.txt
> a b c
> a b c d
> a b c d e f
> a b c d v e
> 
> How to print
> $ awk <???> test.txt
> 
> d
> d e f
> d v e
> 
> Of course this is simplification of real data I have so I definitely
> need awk to parse it ;) Thank you very much in advance.

If you don't care about white space before/between fields:

awk '{$1=$2=$3=""}1' file

If you do care, with a POSIX awk:

awk '{sub(/^[[:space:]]*([^[:space:]]*[[:space:]]*){3}/,"")}1'

and with GNU awk:

gawk --re-interval
'{sub(/^[[:space:]]*([^[:space:]]*[[:space:]]*){3}/,"")}1'

	Ed.