Trent
trent@example.com

Trent trent@example.com
Mark mark@example.com

Trent trent@example.com

Trent,trent@example.com
Mark,mark@example.com

# comma
trent,38
ewan,4
# tab
trent	38
ewan	4
# newline
trent
38
ewan
4
# nul to xargs
trent 38
ewan 4

end-of-xargs-output

{
  "foo": "bar"
}
{
  "foo": "baz"
}
bar
baz

[
  {
    "foo": "bar"
  },
  {
    "foo": "baz"
  }
]