hello , i have a ab1 file
use Bio::Trace::ABIF;
my $abif = Bio::Trace::ABIF->new();
$abif->open_abif('demo.ab1');
print $abif->sample_name(), "\n";
print $abif->raw_data_for_channel(1);
$abif->close_abif();
i got the output like this can any 1 able to explain it
DEMO
2000-20000000000-20-1000-3-20-11000-10-100-1-20-1-10-1-2-1-10-10-20-1100-1-100-300-1-1-20-3-1-10-1-1-2-30-1-50-2-20-1-3-3-10-2-2-20-3-20-2-1-20-2-1-3-2-2-3-3-2-2-30-1-2-1-2-2-2-1-2-1-20-1-1-200-2-1-1-2-1-1-1-1-1-10-11-1-2-1-1-1-1-2-3-1-30-2-2-1-4-2-2-1-1-2-20-1-1-20-10-30-2-2-2-10-10-20-1-2-20-10-1-1-1-2-2-1-2-20-10-3-1-2-1-100-2-1-1-100-1000-10-10000-1-200-2000-10-210-1-1-100-2-2-2-3-2-1-1-2-1-3000-1-1-20-20-2-2-2-20-30-1-2-3-10000-2-1100-1-10-201-1000-2-10-1-100100000-1010-1200000000-100-1000-1000-10-100-2-1-1-10-1-3000-3000100000010-1-100-10-2-10-10001001001002001100100001-10-1-1-200-1-2-100-20-1-2-2-20-20-1-2-2-4-2-3-3-4-2-2-1-2-2-1-2-2-2-2-3-200-2-2-1-2-4-1-3-1-2-2-30-20-1-1-2-1-3-2-2-4-1-4-2-1-1-1-2-2-1-2-2-3-2-2-2-1-5-3-1-1-3-1-5-1-2-2-3-3-2-1-2-1-1-2-2-1-1-4-3-2-1-1-2-2-3-3-2-2-4-3-2-4-2-2-4-4-4-1-3-1-2-3-2-2-2-2-2-2-1-2-3-2-2-20-30001137914151919212015118853211202-1-100000-20-20-100-1-10-100-10-2000-1-1100213113222455533523100010011-1000-1000100-2-10-10-1-2-1-10-1-1-100-1-1-20-1-2-3-1-1-1-2-1-1-3-2-20-20-30-1-2-1-300-1-1-3-2-10-4-2-1-2-2-20-1-20-2-200-2-1-20-20-20-2-2-1-2-20-1-1-1-1-2-1-100-3-1-2-1-2-200-1-2-2-1-3-1-1-200-1-10-1-1-2-3-3-2-3-10-1-1-300-1-2-1-30-1-1-1-2-1-2-2-10-1-1-1-20-1000-1-1-2-2-10-1-1-2-2-1-2-2-1-1-2-3-3-2-3-2-30-1-2-10-3-2-1-2-1-1-2-30-10-2-2-2-3-2-1-1-2-1-2-30000-10001122210224443335544334343222022211200010-20000-2200-100-101000000-1-10000-100-110102202203212402234336677881214161922252728282626232524242425262626262222191818151413131110101211111312111212111287856545353421132253332122221022201242313210131143312231212-11221214111231112202110010100000000010000-20011-10-100-1000000-10000011010000-1010-100000000-100-100000-10-1-3-1-1-100-2-1-1-10-1-2000-1-1-1000-100-10-1-1-2-2100-10-2-10-1-1-20-1-1-20-1-2-10-10-200000-2-4-3-2-1-3-1-2-2-4-100-2-10-1-2-2-2-3-2-2-1-2-1-1-2-30-2-1-2-2-1-3-4-3-1-3-3-4-2-2-3-2-4-2-3-1-2-2-4-3-4-3-1-3-2-2-3-3-2-2-3-3-2-3-1-3-1-1-1-20-10-1-2-2-2-2-2-110-4-2-2-3-3-2-2-3-2-2-2-2-1-3-3-1-3-20000-1100201001000001000-1-10-2-2-2-1-2-1-1-2-2-2-2-2-1-10-1-1-2-2-2-2-2-1-3-1-3-2-1-2-200-2-2-3-1-2-2-3-20-2-1-1-2-2-1-10-2-10-2-2-1-3-2-1-10-1-3-2-30-2-4-1-10-100-2-2-2-2-2-1-2-3-1-3-10-1-2-3-3-3-2-3-2-3-1-4-3-2-3-3-3-2-1-2-3-4-2-1-3-4-1-2-3-3-2-1-2-3-3-3-2-30-30-3-3-4-3-3-2-2-2-2-5-3-2-5-3-3-1-1-3-4-2-4-3-4-4-3-2-3-4-2-3-3-3-2-2-2-4-3-4-3-3-1-3-2-1-3-2-4-3-1-4-4-3-2-4-1-6-3-3-4-4-3-3-3-3-3-4-1-3-2-1-4-4-2-3-3-2-3-2-2-5-2-2-3-4-4-4-3-3-2-4-1-4-1-3-4-2-3-5-1-2-4-3-2-6-4-3-4-5-4-4-4-2-4-2-4-6-3-4-3-3-4-5-3-4-4-6-6-4-6-7-7-3-2-2-4-5-5-3-3-3-3-4-5-3-4-2-4-2-10-2-1-1-3-2-1-2-1-1000-10-3-20-30-1-4-3-1-2-1-1-3-2-1-1-1-1-2-2-1-1-2-2-3-2-3-2-2-3-20-2-1-1-3-2-2-2-3-10-1000-1001-10-3-2-2-1-2-1-1-1-2-1-3-3-3-2-2-1-2-20-2-1-2-3-4-2-3-1-3-3-1-1-4-3-3-1-1-2-3-2-3-4-2-3-2-4-1-2-3-3-2-2-2-4-4-3-3-2-3-2-3-2-3-2-4-2-2-3-3-20-1-1-1-3-30-10-20-2-1-3-1000-10-20-1-11-2-1-1-300-2-1-112131343558787976675532200000000-2-20-1-1-1-1-1-4-3-1-100-
ABIF file format is described here.
As to whether you are reading the information in correctly (or not) you will need to decide by looking at the CPAN description of the module you are using.