string compare

gundu · #1 (**permalink**) 03-23-2005

Hi,

I am trying to get an ouput of certain fields from a file:

awk '{ print $NF }' portfile

8087
8047
localhost:1117

Now i need to take this output and see if it exists in netstat -a command. How do i check that.

Thanks,
Gundu

Marcos Brito · #2 (**permalink**) 03-23-2005

Hi Gundu. Try this:

LIST="`awk '{ print $NF }' portfile`"

if netstat -a |egrep -s "$LIST"
then
echo "do this"
else
echo "do that"
fi

Hope this helps.

gundu · #3 (**permalink**) 03-23-2005

Thank you very much, it worked as expected

Marcos Brito · #4 (**permalink**) 03-23-2005

You're welcome.

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