http://www.perlmonks.org?node_id=996231


in reply to Re: perl 5.16.0 build is failing on Aix 64 bit machine
in thread perl 5.16.0 build is failing on Aix 64 bit machine

Actually, what the OP is doing there is syntax supported by the unix shell, though it is little known.

OP, what shell are you running on AIX? You should probably make sure your shell supports that syntax. Things are always a little different on AIX.