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Re: can't find info about & /@ %

• To: mathgroup at smc.vnet.net
• Subject: [mg121897] Re: can't find info about & /@ %
• From: A Retey <awnl at gmx-topmail.de>
• Date: Thu, 6 Oct 2011 04:21:30 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <j6h31i$6un$1@smc.vnet.net>

Am 05.10.2011 10:04, schrieb Richard Cohen:
> First[Options[#, "ColorSpace"]&  /@ %]
> could someone please explain the use of these&  /@ %
> i've looked everywhere to no avail.

My usual trick to find the meaning and documentation of all those 
shortcuts is to FullForm[Hold[]]:

FullForm[Hold[First[Options[#, "ColorSpace"] & /@ %]]]

In your case you want to look up Function, Map and Out.

hth,

albert