Its because you didnt read the documentation clearly. The ls program doesn't know what to do with >> or 2>&1, its not sh/csh/perl -V:sh

Use systemx from IPC::System::Simple 

use IPC::System::Simple qw[ systemx ]; ...

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In reply to Re: system command has problem with '>>' by Anonymous Monk
in thread system command has problem with '>>' by Anonymous Monk

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