Why not using map? This is concise and uses no temporary variable : 
%hash =  map { split( /X/, $_ ) } ( "fooXbar","bishXbash") ;

# look Ma, that works!
foreach(keys %hash){
  print "1: $_ = $hash{$_}\n";
}

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In reply to Re: Assign (key, value) to a hash w/o clobbering hash by wazoox
in thread Assign (key, value) to a hash w/o clobbering hash by Melly

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