Save a couple of chars by taking advantage of the fact that shift defaults to @_ while in a sub. 
%p=map{chomp;split/\|/;shift,[@_]}@_

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Using chop instead of chomp would help, but might not be portable.
Caution: Contents may have been coded under pressure.

In reply to Re^3: golf: shortest way to parse a pipe delimited file by Roy Johnson
in thread golf: shortest way to parse a pipe delimited file by bageler

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