Date: Wed, 8 Apr 2009 16:11:20 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: Len Conrad <lconrad@Go2France.com> Cc: freebsd-questions@freebsd.org Subject: awk field (was Re: (no subject)) Message-ID: <alpine.BSF.2.00.0904081606500.65423@wonkity.com> In-Reply-To: <200904082253.AA2466447562@mail.Go2France.com> References: <200904082253.AA2466447562@mail.Go2France.com>
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On Wed, 8 Apr 2009, Len Conrad wrote:
>
> We need to print a line when the 3rd field (with trailing ";" delimiter) is, eg, exactly 5 lower case characters
>
> awk ' $3 ~ /^[a-z]{5,5};$/ {print $0} ' file
>
> ... doesn't work.
>
> Suggestions?
Please give an example of the line this doesn't work on, and exactly
what you want it to do.
"{5}" is probably acceptable instead of "{5,5}". I don't do much awk,
but here's a Perl example:
perl -e '$x = "abcde;"; print "Yes\n" if $x =~ /^[a-z]{5};$/'
-Warren Block * Rapid City, South Dakota USA
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