On Wed, Jul 09, 2008 at 12:13:13PM -0500, Sean Carolan wrote: > The awk output that was piped into to the sed command looks like this: > > ajpv12://host1.domain.company.com:8008/root > ajpv12://host2.domain.company.com:8008/root > ajpv12://host3.domain.company.com:8008/root awk '/:8008\/root/ {printf "%s\t", gensub(/ajpv12:\/\/(.*):8008\/root/, "\\1", 1, $3) } END { printf "\n" }' if you give an exact example of your input it would be easier but I guess you can crunch the above example to do exactly what you want. Match other ports and protocols: awk '/:[[:digit]]+\/root/ {printf "%s\t", gensub(/\w+:\/\/(.*):[[:digit:]]+\/root/, "\\1", 1, $3) } END { printf "\n" }' takes input: foo bar URL baz output: URL\tURL\tURL\n -- Fridh