[foulquie@node6 test]$ perl test_fontion4.pl BC list_geno_palm_51_liste_genotype test 30 1 Use of my $_ is experimental at test_fontion4.pl line 44. Use of my $_ is experimental at test_fontion4.pl line 68. keys on reference is experimental at test_fontion4.pl line 187. keys on reference is experimental at test_fontion4.pl line 211. keys on reference is experimental at test_fontion4.pl line 235. keys on reference is experimental at test_fontion4.pl line 259. $VAR1 = { 'genotype13' => { 'sample' => 'BC13_IV_.RG' }, 'genotype11' => { 'sample' => 'BC11_III_.RG' }, 'genotype14' => { 'sample' => 'BC14_III_.RG' }, 'genotype16' => { 'sample' => 'BC16_III_.RG' }, 'genotype21' => { 'sample' => 'BC21_V_.RG' }, 'genotype24' => { 'sample' => 'BC24_IV_.RG' }, 'genotype1' => { 'sample' => 'BC1_IV_.RG' }, 'genotype10' => { 'sample' => 'BC10_III_.RG' }, 'genotype23' => { 'sample' => 'BC23_III_.RG' }, 'genotype9' => { 'sample' => 'BC9_IV_.RG' }, 'genotype8' => { 'sample' => 'BC8_IV_.RG' }, 'genotype4' => { 'sample' => 'BC4_II_.RG' }, 'genotype22' => { 'sample' => 'BC22_IV_.RG' }, 'genotype20' => { 'sample' => 'BC20_IV_.RG' }, 'genotype15' => { 'sample' => 'BC15_III_.RG' }, 'genotype7' => { 'sample' => 'BC7_IV_.RG' }, 'genotype6' => { 'sample' => 'BC6_IV_.RG' }, 'genotype3' => { 'sample' => 'BC3_III_.RG' }, 'genotype12' => { 'sample' => 'BC12_IV_.RG' }, 'genotype19' => { 'sample' => 'BC19_IV_.RG' }, 'genotype17' => { 'sample' => 'BC17_V_.RG' } }; genotype13 Can't use string ("BC13_IV_.RG") as a HASH ref while "strict refs" in use at test_fontion4.pl line 92, line 2.