From 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 20:33:23 +0200 Subject: Adding upstream version 5.0. Signed-off-by: Daniel Baumann --- tests/array23.sub | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tests/array23.sub (limited to 'tests/array23.sub') diff --git a/tests/array23.sub b/tests/array23.sub new file mode 100644 index 0000000..bd64fe1 --- /dev/null +++ b/tests/array23.sub @@ -0,0 +1,28 @@ +# this captures how bash and ksh93 expand indexed array subscripts in +# various contexts. if changes are ever made, or an option added to do +# this differently, the diffs will show up here + +typeset -a array + +index='$( echo >&2 foo )' # Literal shell code should never be evaluated unless an 'eval' is involved. + +echo ${array[ $index ]} # [] expands $index, results in a literal that [] does not re-evaluate. +echo $(( $index )) # (( )) expands $index, results in a literal that (( )) does not re-evaluate. +echo $(( array[ $index ] )) # (( )) expands $index, results in a literal that [] DOES re-evaluate. + +(( array[ $index ] )) + +typeset -a a + +: $(( a[$index]=5 )) + +#shopt -s assoc_expand_once +echo $((1+a[$index])) +echo $((1+a[\$index])) +echo "1+${a[$index]}" + +# intermediate problems discovered while bash-5.0 was in testing +a=0 +echo $(( a[a[0]] )) +echo ${a[a[a[0]]]} +echo $(( a[a[a[0]]] )) -- cgit v1.2.3