[nycbug-talk] sed Question

Jan Schaumann jschauma at netmeister.org
Thu Mar 30 18:39:32 EST 2006

Kevin Reiter <tux at penguinnetwerx.net> wrote:
> #!/bin/sh
> echo ""
> echo "Finding the fastest cvsup server."
> echo ""
> fastest_cvsup -c us | grep 1st | cut -d : -f 2 > server.txt
> sed 's/^[ \t]*//' server.txt > fast.txt
> fastest=`cat fast.txt`

You can do that without any temporary files (and one pipe less):

fastest=`fastest_cvsup -c us | awk '/1st/ {print $3;}'`
sed -e "s/host=cvsup.*FreeBSD\.org/host=$fastest/" ports-sup

Use regular quotes (") instead of ', otherwise the variable '$fastest'
won't be expanded.


"You just come along with me and have a good time. The Galaxy's a
fun place. You'll need to have this fish in your ear."
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