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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
commit | 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 (patch) | |
tree | 314a15dd1aa103da13bdc83ba1d2105a290bc5ba /tests/nameref5.sub | |
parent | Initial commit. (diff) | |
download | bash-1d5cace9db9aef76f26b2d7ba54bbb76443b00b2.tar.xz bash-1d5cace9db9aef76f26b2d7ba54bbb76443b00b2.zip |
Adding upstream version 5.0.upstream/5.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/nameref5.sub')
-rw-r--r-- | tests/nameref5.sub | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/nameref5.sub b/tests/nameref5.sub new file mode 100644 index 0000000..2c67a94 --- /dev/null +++ b/tests/nameref5.sub @@ -0,0 +1,50 @@ +# nameref variables as for loop index variables are special +v1=1 +v2=2 + +# simple for loop +for v in v1 v2 +do + typeset -n ref=$v + echo $ref +done +unset v + +set -- first second third fourth fifth + +# unless you put a ${!v} in the for loop, ksh93 misbehaves +typeset -n v=v1 +for v in v1 v2; do + echo "${!v}: $v" +done +unset v + +# example cribbed from ksh93 o'reilly book +first="I am first" +second="I am in the middle" +third="I am last" + +typeset -n ref=first +for ref in first second third ; do + echo "ref -> ${!ref}, value: $ref" +done +echo final state: "ref -> ${!ref}, value: $ref" + +readonly one=1 +readonly two=2 +readonly three=3 + +typeset -n ref=one +for ref in one two three; do + echo "ref -> ${!ref}, value: $ref" +done +echo final state: "ref -> ${!ref}, value: $ref" + +unset ref +typeset -n ref=one +readonly ref + +for ref in one two three; do + echo "ref -> ${!ref}, value: $ref" +done +echo final state: "ref -> ${!ref}, value: $ref" |