Re: awk 2 variables from a single range?
From: Stephane CHAZELAS (this.address_at_is.invalid)
Date: 10/28/04
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Date: 28 Oct 2004 06:31:18 GMT
2004-10-28, 06:15(+00), AvidFan:
> If, in ksh, I prompt the user for a range, in the format 1-255, and I use
> the read command to accept that as a single variable, how can I use awk to
> split that into 2 variables? I can't seem to figure out how to use a
> variable as input for awk, so that it can split it into two variables...
[...]
Why would you want to use awk? read is the perfect tool for
that:
IFS=" -" read min max junk
To use a variable as input for awk:
awk 'BEGIN{print ARGV[1]; exit}' "$var"
(use /usr/xpg4/bin/awk on Solaris).
-- Stephane
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