| function f { | |
| typeset -a a | |
| a=("$@") | |
| typeset IFS=, | |
| typeset a1="${a[@]} ${a[*]} $@ $* ${@} ${*}" | |
| typeset a2=${a[@]}\ ${a[*]}\ $@\ $*\ ${@}\ ${*} a3 a4 | |
| a3="${a[@]} ${a[*]} $@ $* ${@} ${*}" | |
| a4=${a[@]}\ ${a[*]}\ $@\ $*\ ${@}\ ${*} | |
| unset -v IFS | |
| printf '%s\n' "a1=$a1" "a2=$a2" "a3=$a3" "a4=$a4" | |
| } | |
| echo | |
| f a b c |