After fixing the unclosed string literal, I get output. Is there another problem? 

a 2 2
b 5 5
c 10 10

[download]
a 1 1

[download]
a 1 1

[download]
a 1 1

[download]
a 1 1

[download]
a 1 1
b 1 1

[download]
a 1 1
b 1 1

[download]
a 1 1
b 1 1

[download]
a 1 1
b 1 1

[download]
b 1 1
d 10 10

[download]

gives 

c : 10: 10
a : 10: 10
b : 10: 10

[download]

By the way, are you sure you want if (exists $a[$j]{$key})? Notice the lack of "d" in the output.

In reply to Re^3: array of hashes question by ikegami
in thread array of hashes question by jimmy78

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