4 for a in ""; do echo ".$a."; done
6 echo 'Testing: in '"''"
7 for a in ''; do echo ".$a."; done
9 echo 'Testing: in $empty'
10 for a in $empty; do echo ".$a."; done
12 echo 'Testing: in $empty""'
13 for a in $empty""; do echo ".$a."; done
15 echo 'Testing: in $empty'"''"
16 for a in $empty''; do echo ".$a."; done
18 echo 'Testing: in "$empty"'
19 for a in "$empty"; do echo ".$a."; done