Hi. Why is it that when I retrieve a hash value from %fastas by using a string (gene name) to find the key, it works fine: 

$sequence=$fastas{ENSG0000017672};

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but when the same string is in a variable: 

 $sequence=$fastas{$gene_name};

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... I get errors. Many thanks!

In reply to hash access with a variable by LostWeekender

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