in reply to Array of structures within an array of structures.

Data::Dump output 

my $classss = {
  classroom => {
    students => [
      { age => 0, fn => 0, id => 0, ln => 0 },
      { age => 1, fn => 1, id => 1, ln => 1 },
    ],
  },
};

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rehohy output( Re: Google decoder (how to access hash values, perl dereferencing string xpaths data dumper ) ) 

my %classrooms;
$classrooms{classroom}{students}[0]{ln}
   = 0; #d3

$classrooms{classroom}{students}[0]{id}
   = 0; #d3

$classrooms{classroom}{students}[0]{age}
   = 0; #d3

$classrooms{classroom}{students}[0]{fn}
   = 0; #d3

$classrooms{classroom}{students}[1]{ln}
   = 1; #d3

$classrooms{classroom}{students}[1]{id}
   = 1; #d3

$classrooms{classroom}{students}[1]{age}
   = 1; #d3

$classrooms{classroom}{students}[1]{fn}
   = 1; #d3

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See also references quick reference, hashes are curly
Re: How to traverse a two dimentional array in a constructor?, Re: Parsing SOAP::Lite results,, Re: Trouble accessing Hash of Arrays (troubleshooting basics),
Re^5: Combining 3 files,

Replies are listed 'Best First'.
Re^2: Array of structures within an array of structures.
by Anonymous Monk on Sep 20, 2013 at 13:35 UTC
    corerection
    my @classrooms =
(
  {
    classname => 1,
    students  => [
                   { age => 0, fn => 0, id => 0, ln => 0 },
                   { age => 1, fn => 1, id => 1, ln => 1 },
                 ],
  },
)
;
my @classrooms;
$classrooms[0]{students}[0]{ln}
   = 0; #d3

$classrooms[0]{students}[0]{id}
   = 0; #d3

$classrooms[0]{students}[0]{age}
   = 0; #d3

$classrooms[0]{students}[0]{fn}
   = 0; #d3

$classrooms[0]{students}[1]{ln}
   = 1; #d3

$classrooms[0]{students}[1]{id}
   = 1; #d3

$classrooms[0]{students}[1]{age}
   = 1; #d3

$classrooms[0]{students}[1]{fn}
   = 1; #d3

$classrooms[0]{classname}
 = 1; #d1

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