diff options
| -rwxr-xr-x | build_playlists.plx | 87 |
1 files changed, 66 insertions, 21 deletions
diff --git a/build_playlists.plx b/build_playlists.plx index a774652..df204f2 100755 --- a/build_playlists.plx +++ b/build_playlists.plx @@ -50,6 +50,57 @@ sub build_m3u { } } +# Subroutine to determine the output files for a given file +# @_[0] -> reference to tag hashes +sub get_output_files { + my @output; + my %tag_hash = @_; + my %count_hash; #keep track of index from tag_hash + my %value_hash; #keep track of value from tag_hash + my @keys_arr; #array of keys from tag_hash + + # Remove PATH from tag_hash + delete($tag_hash{"PATH"}); + + # Initialize count_hash and value_hash + for my $i (sort(keys %tag_hash)){ + push(@keys_arr, $i); + #print("@keys_arr\n"); + $count_hash{$i} = 0; + #print("$i -> $count_hash{$i}\n"); + $value_hash{$i} = @{$tag_hash{$i}}[0]; + #print("$i -> $value_hash{$i}\n"); + } + + # Loop through all possible combinations of tags and append to @output + OUTER: while(1){ + push(@output, $output_pattern); + $output[-1] =~ s/[{]([^}]*)[}]/$value_hash{$1}/g; + + # Update + INNER: for my $key_index (@keys_arr){ + $count_hash{$key_index} = (($count_hash{$key_index}+1) % scalar(@{$tag_hash{$key_index}})); + $value_hash{$key_index} = @{$tag_hash{$key_index}}[$count_hash{$key_index}]; + if($count_hash{$key_index} > 0){ + next OUTER; + } + } + last OUTER; + } + + return @output; +} + + + #for my $i (keys %tag_hash){ + # if (!($i eq "PATH")){ + # print("$i -> @{$tag_hash{$i}}\n"); + # } + # else{ + # print("$i -> $tag_hash{$i}\n"); + # } + #} + # Print a help message sub print_help { print @@ -165,6 +216,9 @@ else { # Go through each row by ID for my $i (1..$row_count){ + # Reset @output_files + @output_files = (); + # Get output for the PATH, plus each tag of interest; store it in tag_hash $statement = join(',', @tags_of_interest); @db_output = flatten_array(db_cmd($dbh, "SELECT $statement FROM $table_name WHERE ID=$i;")); @@ -183,29 +237,20 @@ else { } - # TODO determine array of output files (consider making this a separate subroutine) - #$output_file = $output_pattern; - #$output_file =~ s/[{]([^}]*)[}]/$tag_hash{$1}/g; - # TODO Remove duplicates from @output_file - # TODO break up by semicolon (signifying array of tag values) - - #for my $j (keys %tag_hash){ - # for my $k (split(';', $tag_hash{$j})){ - # print("$j -> $k\n"); - # } - #} - next; + # determine array of output files (consider making this a separate subroutine) + @output_files = get_output_files(%tag_hash); - # Determine output_file - - # Open the file for writing - #open FH, ">> $output_file" or die $!; - # DEBUG - if (!$options{quiet}){ - #print "Opened $output_file\n"; + # Loop to add to proper files: + for my $output_file (@output_files){ + # Open the file for writing + open FH, ">> $output_file" or die $!; + # DEBUG + if (!$options{quiet}){ + print "Opened $output_file\n"; + } + build_m3u("$output_file", *FH, $tag_hash{PATH}); + close FH; } - #build_m3u("$output_file", *FH, $tag_hash{PATH}); - close FH; } } |