I have tried your suggestion and it did help to avoid comments but not for blank lines. Here I am provide the code and config file. Also providing output.
use strict;
use warnings;
use Data::Dumper;
use Text::CSV_XS;
use IO::File;
my $hash_ref = csv_file_hashref('parameters.conf');
foreach my $key (sort keys %{$hash_ref}){
print qq{$key:};
print join q{,}, @{$hash_ref->{$key}};
print qq{\n};
}
sub csv_file_hashref {
my ($filename) = @_;
my $csv_fh = IO::File->new($filename, 'r');
my $csv = Text::CSV_XS->new ();
my %output_hash;
while(my $colref = $csv->getline ($csv_fh))
{
if ($colref->[0] =~ /^#/) {
next;
}
my $anynonblank=0;
for my $item (@$colref){
unless ($item =~ /^\s+$/) { $anynonblank=1; last; }
}
unless ($anynonblank) { next; }
#print @$colref;
#print "\n";
$output_hash{shift @{$colref}} = $colref;
}
return \%output_hash;
}
1;
config file-
#sdadwlasda
abc xyz,10
#ldfgld
xyz pqr,2
#jwej
pqr stq,0.1
#
#
#
#
Output-
:
abc xyz:10
pqr stq:0.1
xyz pqr:2
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