OK, turns out that this was indeed a bug (but the presence of DOHEREDOC
probably predates the existence of DOSCALAR so understandable). I hope
this doesn’t introduce any regressions. Testcase also committed.
** Changed in: mksh
Status: Triaged => Fix Committed
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https://bugs.launchpad.net/bugs/1857195
Title:
here string behaviour different in mksh and ksh93
Status in mksh:
Fix Committed
Bug description:
consider
IFS=$'\n'
x=(a "b c")
cat <<< ${x[*]}
cat <<< "${x[*]}"
cat <<< ${x[@]}
cat <<< "${x[@]}"
executing this in mksh (or zsh, incidentally) yields the output
a
b c
a
b c
a
b c
a
b c
(i.e. identical output, always inserting first IFS char between
elements, for all variants of accessing all elements of the array)
while ksh93 (or bash, for that matter) yields
a
b c
a
b c
a b c
a b c
(i.e. `*' behaves different from `@' but double quoting is
ineffectual).
I am not sure whether this is a bug (either in ksh93 or mksh) but wanted to
report this inconsistency and to ask for clarification. what I _would_ have
expected to start with is, that
the above "here string" commands would yield the same output as
print ${x[*]}
print "${x[*]}"
print ${x[@]}
print "${x[@]}"
which is neither true for ksh93 nor for mksh. is this all good and
well and I am only overlooking something obvious?
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