NAME
App::DPath - Cmdline tool around Data::DPath
SYNOPSIS
use App::DPath;
my $path = '//some/dpath';
my $data = App::DPath::read_in ($file);
my @resultlist = dpath($path)->match($data);
my $output = App::DPath::write_out ({}, \@resultlist);
print $output;DESCRIPTION
This module handles the input and output for the dpath command.
SUBROUTINES
read_in
my $data = App::DPath::read_in ($file, $intype, $yamlmod);read_in takes a filename as its mandatory argument. It reads the data from the file according to the type specified in the second argument (which defaults to 'yaml') and returns the resulting data structure. Other data types are: 'json', 'xml', 'ini', 'cfggeneral', 'dumper' and 'tap'.
The optional third argument specifies a list of modules to use to parse YAML. The first available module in the list is used. If unspecified it defaults to YAML::XS, YAML::Old, YAML and YAML::Tiny.
write_out
my $formatted_out = App::DPath::write_out ($opt, $resultlist);write_out returns the results as a string formatted according to the options in the $opt hashref. Those options are
- outtype
-
One of
- separator
-
For outtype=flat only. This option sets the field separator for the output.
- fb
-
For outtype=flat only. Display outer arrays inside square brackets.
- fi
-
For outtype=flat only. Prefix outer array lines with index.
- yaml-module
-
For outtype=yaml only. The YAML processing module to use. If not provided it uses the same default as read_in.
$resultstring is expected to be an arrayref, usually the result of running a match against the read-in data.
SEE ALSO
dpath is the command-line wrapper around this module. Its documentation includes details of the "flat" output format along with some usage examples.
Data::DPath is the underlying path engine.
AUTHOR
Steffen Schwigon <ss5@renormalist.net>
COPYRIGHT AND LICENSE
This software is copyright (c) 2019 by Steffen Schwigon.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.