| echo ! printing ! |
| ! false |
| echo $? |
| ! true |
| echo $? |
| if ! false; then false; echo $?; fi |
| echo $? |
| if ! false; then ! false; echo $?; fi |
| echo $? |
| PRINTF=`which printf` |
| for a in ! a b c; do echo $a; done |
| for a in ! a b c; do ! printf "$a "; echo $?; done |
| test x"$PRINTF" = x"" && exit 1 |
| for a in ! a b c; do ! "$PRINTF" "$a "; echo $?; done |
| for a in ! a b c; do ! printf "$a " | false; echo $?; done |
| for a in ! a b c; do ! printf "$a " | true; echo $?; done |
| for a in ! a b c; do ! { printf "$a " | false; }; echo $?; done |
| for a in ! a b c; do ! { printf "$a " | true; }; echo $?; done |
| echo Done |
