As others have pointed out, $ctx isn't set. You also don't check the return value of the open(I, "<$file"); call, so you don't know whether the open succeeded.

And isn't it time to slowly kill the bare-word-as-a-file-handle idiom for new code? Bare word file handles are so 20th century.

In reply to Re: MD5 non ascii file name by JavaFan
in thread MD5 non ascii file name by benjwlee

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