# tests to make sure that $* and ${array[*]} expand consistently in `list' # and `scalar' contexts arr=(a b c) IFS=+ # these two should both expand to `+' separated strings a=${arr[*]} ; echo "$a" b=${arr[*]/a/x}; echo "$b" set -- a b c # these two should both expand to `+' separated strings a=${*} ; echo "$a" b=${*/a/x}; echo "$b" # these two should both expand to `+' separated strings and it should handle # characters in IFS as chars in the string unset a b set -- 'a+b' 'c+d' 'e+f' a=${*} ; recho "$a" b=${*/a/x}; recho "$b" # now let's make sure that @ always uses space separators even in contexts # where we don't do word splitting set -- a b c a=${@} ; echo "$a" b=${@/a/x}; echo "$b" unset a b a=${arr[@]} ; echo "$a" b=${arr[@]/a/x}; echo "$b"