BEGIN { a[1] = @/abc/ b[1][2][3] = @/xyz/ print typeof(a[1]), typeof(b[1][2][3]) print a[1], b[1][2][3] a[1]++ b[1][2][3] "" print typeof(a[1]), typeof(b[1][2][3]) print a[1], b[1][2][3] }