The uninitialized value error means that you used $key without having assigned it a value. You seem to understand that already.
Unless you post your code no one can point out the error in your code.
In reply to Re^3: Multiline variables
by jrsimmon
in thread Multiline variables
by theantler
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |