1 files changed, 30 insertions, 0 deletions
diff --git a/tests/dollar-star7.sub b/tests/dollar-star7.sub
new file mode 100644
index 00000000..72d6c24f
--- /dev/null
+++ b/tests/dollar-star7.sub
@@ -0,0 +1,30 @@
+# if IFS side effects in ${IFS=} assignments take place, how do you cope with
+# later changes to IFS in the same set of expansions?  You've already
+# committed to using the first character of the (old) IFS to expand $* in
+# the previous expansions, and changing it to not include ' ', for instance,
+# results in the first couple of ${*} below not being split at all
+
+set -f -- a b c
+
+unset -v IFS
+printf '<%s> ' ${*}${IFS=}${*}${IFS:=-}"${*}"
+echo
+printf "after 1: IFS "
+echo "${IFS-unset}"
+recho "$*"
+
+set -f -- a 'b c' d
+unset -v IFS
+printf '<%s> ' ${*}${IFS=}${*}${IFS:=-}"${*}"
+echo
+printf "after 2: IFS "
+echo "${IFS-unset}"
+recho "$*"
+
+unset -v IFS
+recho $*
+recho "$*"
+
+IFS=' '
+recho $*
+recho "$*"