09-06-2010
AWK with multiple delimiters
I have the following string sample:
bla bla bla [123] bla bla
I would like to extract the "123" using awk.
I thought about awk -F"[\[\]]" '{ print $1 }' but it doesn't work
Any ideas ?
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LEARN ABOUT DEBIAN
config::model::dumpasdata
Config::Model::DumpAsData(3pm) User Contributed Perl Documentation Config::Model::DumpAsData(3pm)
NAME
Config::Model::DumpAsData - Dump configuration content as a perl data structure
VERSION
version 2.021
SYNOPSIS
use Config::Model ;
use Log::Log4perl qw(:easy) ;
use Data::Dumper ;
Log::Log4perl->easy_init($WARN);
# define configuration tree object
my $model = Config::Model->new ;
$model ->create_config_class (
name => "MyClass",
element => [
[qw/foo bar/] => {
type => 'leaf',
value_type => 'string'
},
baz => {
type => 'hash',
index_type => 'string' ,
cargo => {
type => 'leaf',
value_type => 'string',
},
},
],
) ;
my $inst = $model->instance(root_class_name => 'MyClass' );
my $root = $inst->config_root ;
# put some data in config tree the hard way
$root->fetch_element('foo')->store('yada') ;
$root->fetch_element('bar')->store('bla bla') ;
$root->fetch_element('baz')->fetch_with_id('en')->store('hello') ;
# put more data the easy way
my $step = 'baz:fr=bonjour baz:hr="dobar dan"';
$root->load( step => $step ) ;
print Dumper($root->dump_as_data);
# $VAR1 = {
# 'bar' => 'bla bla',
# 'baz' => {
# 'en' => 'hello',
# 'fr' => 'bonjour',
# 'hr' => 'dobar dan'
# },
# 'foo' => 'yada'
# };
DESCRIPTION
This module is used directly by Config::Model::Node to dump the content of a configuration tree in perl data structure.
The perl data structure is a hash of hash. Only CheckList content will be stored in an array ref.
Note that undefined values are skipped for list element. I.e. if a list element contains "('a',undef,'b')", the data structure will contain
'a','b'.
CONSTRUCTOR
new ( )
No parameter. The constructor should be used only by Config::Model::Node.
Methods
dump_as_data(...)
Return a perl data structure
Parameters are:
node
Reference to a Config::Model::Node object. Mandatory
full_dump
Also dump default values in the data structure. Useful if the dumped configuration data will be used by the application. (default is
yes)
skip_auto_write
Skip node that have a "perl write" capability in their model. See Config::Model::AutoRead.
auto_vivify
Scan and create data for nodes elements even if no actual data was stored in them. This may be useful to trap missing mandatory values.
ordered_hash_as_list
By default, ordered hash (i.e. the order of the keys are important) are dumped as Perl list. This is the faster way to dump such hashed
while keeping the key order. But it's the less readable way.
When this parameter is 1 (default), the ordered hash is dumped as a list:
[ A => 'foo', B => 'bar', C => 'baz' ]
When this parameter is set as 0, the ordered hash is dumped with a special key that specifies the order of keys. E.g.:
{ __order => [ 'A', 'B', 'C' ] ,
B => 'bar', A => 'foo', C => 'baz'
}
Methods
dump_annotations_as_pod(...)
Return a string formatted in pod (See perlpod) with the annotations.
Parameters are:
node
Reference to a Config::Model::Node object. Mandatory
experience
master, advanced or beginner
check_list
Yes, no or skip
AUTHOR
Dominique Dumont, (ddumont at cpan dot org)
SEE ALSO
Config::Model,Config::Model::Node,Config::Model::ObjTreeScanner
perl v5.14.2 2012-11-09 Config::Model::DumpAsData(3pm)