#!/usr/bin/perl

use strict; # https://perlmonks.org/?node_id=11108780
use warnings;
use Data::Dump 'dd';

my @suggestionsTemp = (
  { origin => "IB", sourceL => "", targetL => "Ahnenforschung" },
  { origin => "IB", sourceL => "", targetL => "akzent" },
  { origin => "EU", sourceL => "", targetL => "Akzent" },
  { origin => "IB", sourceL => "", targetL => "Akzent" },
  );

dd \@suggestionsTemp;

my @suggestionsUnsorted;
my %targets;

for my $h (@suggestionsTemp) 
  {
  push @suggestionsUnsorted, ($targets{lc $$h{targetL}}={targetL=>$$h{
+targetL}})
    unless $targets{lc $$h{targetL}};
  $targets{lc $$h{targetL}}{origin}{$$h{origin}}++;
# $targets{lc $$h{targetL}}{count}++;
  }
for ( values %targets )
  {
  $$_{count} = keys %{$$_{origin}};
  $$_{origin} = join ', ', sort keys %{$$_{origin}};
  }

@suggestionsTemp = values %targets;

dd \@suggestionsTemp;

[download]

Outputs: 

[
  { origin => "IB", sourceL => "", targetL => "Ahnenforschung" },
  { origin => "IB", sourceL => "", targetL => "akzent" },
  { origin => "EU", sourceL => "", targetL => "Akzent" },
  { origin => "IB", sourceL => "", targetL => "Akzent" },
]
[
  { count => 1, origin => "IB", targetL => "Ahnenforschung" },
  { count => 2, origin => "EU, IB", targetL => "akzent" },
]

[download]

In reply to Re: data manipulation case insensitive match by tybalt89
in thread data manipulation case insensitive match by Anonymous Monk

Title:
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