awk + print awk output in one line

Question

When I run the following hasys command with awk , I get output with machines names as the following:

hasys -display|grep Shutdown | awk '{print $1}'
  machine1a
  machine1b

please advice how to print the machines names in one line as the following: example

hasys -display|grep Shutdown | awk '{print $1}'

    machine1a machine1b

what I need to add in my awk syntax so I will able to print the names in one line?

Answer 1

You can say:

hasys -display | grep Shutdown | awk '{print $1}' ORS=' '

Answer 2

The grep with awk is redundant:

 hasys -display | awk '/Shutdown/ { printf "%s ", $1 }'

Answer 3

hasys -display | awk '/Shutdown/ {print $1}' | paste -sd ' ' -

Contrary to @devnull's and @jasonwryan's, this one doesn't add a trailing space and terminates the line. paste -sd<sep> - is the generic idiom to join lines into a <sep> separated list.

Answer 4

 echo $( hasys .. the whole thing )

Just for fun