Thanks for the reply, Perl version v5.26.2 and the O/S is Centos 7 I need these large hashes to store genetic data in a hash, it's for a genome assembly tool: I want to add a new module, but I need a system call for that, but I can't get it to work when I run it on large datasets. I am not an informatician so have a limited knowledge Any help would be greatly appreciated https://github.com/ndierckx/NOVOPlasty

In reply to Re^2: System call doesn't work when there is a large amount of data in a hash by Nicolasd
in thread System call doesn't work when there is a large amount of data in a hash by Nicolasd

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