$ echo "foo        
> bar
> baz
> " | perl -e 'my @a = <STDIN>; print @a'
foo
bar
baz

$ echo "foo
> bar
> baz
> " | perl -e 'my @a = <STDIN>; print "\n @a"'

 foo
 bar
 baz
 
$ echo "foo
> bar
> baz
> " | perl -e 'my @a = <STDIN>; chomp(@a); print @a'
foobarbaz$