SCRIPT:

#!/bin/bash

current="$(wmctrl -d | awk '/\*/ {print $1}')"
currentopen="$(wmctrl -l | awk -v "curr=$current" 'curr==$2')"
opennames="$(echo "$currentopen" | awk '{for (i=4; i <= NF; i++) printf("%s%c", $i, (i==NF)?ORS:OFS)}')"

echo "\$opennames output:"
echo "$opennames"

echo "\$s output:"
for s in $opennames; do
  echo "$s"
done




OUTPUT IN TERMINAL:

[kittykatt@arch-laptop][~]$ sh openwindowstest.sh 
$opennames output:
XChat: KittyKatt @ [1]FreeNode / #bash (+Ccntl 600)
- kittykatt@arch-laptop:~
$s output:
XChat:
KittyKatt
@
[1]FreeNode
/
#bash
(+Ccntl
600)
-
kittykatt@arch-laptop:~
[kittykatt@arch-laptop][~]$