7 |
echo $? |
echo $? |
8 |
if ! false; then ! false; echo $?; fi |
if ! false; then ! false; echo $?; fi |
9 |
echo $? |
echo $? |
10 |
|
PRINTF=`which printf` |
11 |
for a in ! a b c; do echo $a; done |
for a in ! a b c; do echo $a; done |
12 |
for a in ! a b c; do ! echo -n "$a "; echo $?; done |
for a in ! a b c; do ! printf "$a "; echo $?; done |
13 |
for a in ! a b c; do ! /bin/echo -n "$a "; echo $?; done |
test x"$PRINTF" = x"" && exit 1 |
14 |
for a in ! a b c; do ! echo -n "$a " | false; echo $?; done |
for a in ! a b c; do ! "$PRINTF" "$a "; echo $?; done |
15 |
for a in ! a b c; do ! echo -n "$a " | true; echo $?; done |
for a in ! a b c; do ! printf "$a " | false; echo $?; done |
16 |
for a in ! a b c; do ! { echo -n "$a " | false; }; echo $?; done |
for a in ! a b c; do ! printf "$a " | true; echo $?; done |
17 |
for a in ! a b c; do ! { echo -n "$a " | true; }; echo $?; done |
for a in ! a b c; do ! { printf "$a " | false; }; echo $?; done |
18 |
|
for a in ! a b c; do ! { printf "$a " | true; }; echo $?; done |
19 |
|
echo Done |