NAME

Data::Hub::Util -

SYNOPSIS

EXPORTS

Nothing exported by default

Exported upon request: RE_ABSTRACT_KEY, RE_ABSTRACT_ADDR, $VALUE_ALL, $VALUE_ALL_REC, $PATTERN_QUERY, $PATTERN_QUERY_SUBKEY, $PATTERN_QUERY_VALUE, $PATTERN_QUERY_RANGE, $PATTERN_QUERY_KEY, %TYPEOF_ALIASES, FS, is_abstract_key, is_abstract_addr, curry, typeof, addr_shift, addr_pop, addr_normalize, addr_parent, addr_name, addr_basename, addr_split, addr_join, addr_ext, addr_base, path_shift, path_pop, path_push, path_normalize, path_parent, path_name, path_split, path_join, path_ext, path_is_absolute, path_basename, fs_handle, file_read, file_read_binary, file_read_crown, file_create, file_write, file_write_binary, file_copy, file_move, file_remove, dir_read, dir_create, dir_copy, dir_copy_contents, dir_is_system, dir_move, dir_remove, dir_remove_contents
:all: RE_ABSTRACT_KEY, RE_ABSTRACT_ADDR, $VALUE_ALL, $VALUE_ALL_REC, $PATTERN_QUERY, $PATTERN_QUERY_SUBKEY, $PATTERN_QUERY_VALUE, $PATTERN_QUERY_RANGE, $PATTERN_QUERY_KEY, %TYPEOF_ALIASES, FS, is_abstract_key, is_abstract_addr, curry, typeof, addr_shift, addr_pop, addr_normalize, addr_parent, addr_name, addr_basename, addr_split, addr_join, addr_ext, addr_base, path_shift, path_pop, path_push, path_normalize, path_parent, path_name, path_split, path_join, path_ext, path_is_absolute, path_basename, fs_handle, file_read, file_read_binary, file_read_crown, file_create, file_write, file_write_binary, file_copy, file_move, file_remove, dir_read, dir_create, dir_copy, dir_copy_contents, dir_is_system, dir_move, dir_remove, dir_remove_contents

DEPENDENCIES

This module requires these other modules and libraries:

Error::Simple
File::Copy
IO::File
Parse::StringTokenizer
Error::Programatic
Perl::Module
Fcntl
Exporter
Encode
Data::Hub::Address
IO::Dir

DESCRIPTION

EXAMPLES

This example will not abort:

# Load this module
use Data::Hub::Util qw(:all);

PUBLIC INTERFACE

is_abstract_key

Is the key abstract (produces a subset): TODO The regex RE_ABSTRACT_KEY uses an error-prone search for | and * (these are allowed in hashfile key names.

is_abstract_addr

Does the address contain an abstract key

curry

Add the courier magic to the provided reference

This example:

curry({a=>{b=>'c'}})->get('/a/b');

will return:

typeof

Return the logical type for the given file-system or data structure

This example:

typeof('foo.bar', {});

will return:

data-hash

This example:

typeof('/with/path/foo.bar', []);

will return:

data-array

This example:

typeof('foo.bar', 'baz');

will return:

data-scalar-bar

addr_shift

Return the next token and trim the address

This example:

my $addr = '/one/two/{/i/am/three}/four';
join(':', addr_shift($addr), addr_shift($addr), addr_shift($addr),
addr_shift($addr));

will return:

one:two:{/i/am/three}:four

addr_pop

Return the last token and trim the address

This example:

my $addr = '/one/two';
my $last = addr_pop($addr);
"$last,$addr"

will return:

two,/one

addr_normalize

Normalize form of the given address

addr_parent

Return the parent of the given address

This example will not return a defined value:

addr_parent();

This example will not return a defined value:

addr_parent('');

This example:

addr_parent('/');

will return:

This example:

addr_parent('/a');

will return:

This example:

addr_parent('/a/b/..');

will return:

This example:

addr_parent('a/b/');

will return:

This example:

addr_parent('a/b.c');

will return:

addr_name

Return the name part of an address

This example will not return a defined value:

addr_name('');

This example:

addr_name('/');

will return:

This example:

addr_name('/a');

will return:

This example:

addr_name('/a/b/..');

will return:

This example:

addr_name('a/b/');

will return:

This example:

addr_name('a/b.c');

will return:

b.c

addr_split

Return each part of an address

This example:

scalar(addr_split(''));

will return:

This example:

join ' ', addr_split('/');

will return:

This example:

join ' ', addr_split('/a');

will return:

This example:

join ' ', addr_split('/a/b/..');

will return:

This example:

join ' ', addr_split('a/b/');

will return:

a b

This example:

join ' ', addr_split('a/b.c');

will return:

a b.c

addr_join

Normalize form of the given address

addr_ext

Return the extension part of the given address

This example will not return a defined value:

addr_ext(undef);

This example:

addr_ext('foo.txt');

will return:

txt

This example:

addr_ext('/foo.txt');

will return:

txt

This example:

addr_ext('./foo.txt');

will return:

txt

This example:

addr_ext('../foo.txt');

will return:

txt

This example:

addr_ext('/foo/foo.txt');

will return:

txt

This example:

addr_ext('/foo.bar.txt');

will return:

txt

This example:

addr_ext('/foo/bar.');

will return:

This example will not return a defined value:

addr_ext('/foo/bar');

This example will not return a defined value:

addr_ext('.metadata');

This example:

addr_ext('.metadata.bak');

will return:

bak

addr_basename

Return the name at the given address without its extension

This example will not return a defined value:

addr_basename(undef);

This example will not return a defined value:

addr_basename('/');

This example:

addr_basename('foo.txt');

will return:

foo

This example:

addr_basename('foo.txt/');

will return:

foo

This example:

addr_basename('/foo.txt');

will return:

foo

This example:

addr_basename('./foo.txt');

will return:

foo

This example:

addr_basename('../foo.txt');

will return:

foo

This example:

addr_basename('/foo/foo.txt');

will return:

foo

This example:

addr_basename('/foo.bar.txt');

will return:

foo.bar

This example:

addr_basename('/foo/bar.');

will return:

bar

This example:

addr_basename('/foo/bar');

will return:

bar

This example will not return a defined value:

addr_basename('.metadata');

This example:

addr_basename('.metadata.bak');

will return:

.metadata

addr_base

Return the base (known part) of the given address

This example:

addr_base('/a/b/{d}');

will return:

/a/b

This example:

addr_base('/a/b/d');

will return:

/a/b/d

path_shift

Return the next token and trim the path

This example:

my $path = '/one/two/../four';
join(':', path_shift($path), path_shift($path), path_shift($path),
path_shift($path));

will return:

one:two:..:four

path_pop

Return the last token and trim the path

This example:

my $path = '/one/two';
my $last = path_pop($path);
"$last,$path"

will return:

two,/one

path_push

Push a token on to the path

This example:

my $path = '/one/two';
my $count = path_push($path, 'three');
"$path"

will return:

/one/two/three

path_split

Return each part of a path

This example:

path_split('');

will return:

This example:

join ' ', path_split('/');

will return:

This example:

join ' ', path_split('/a');

will return:

This example:

join ' ', path_split('/a/b/..');

will return:

This example:

join ' ', path_split('a/b/');

will return:

a b

This example:

join ' ', path_split('a/b.c');

will return:

a b.c

path_basename

Return the name part of the given path without its extension

This example will not return a defined value:

path_basename(undef);

This example:

path_basename('foo.txt');

will return:

foo

This example:

path_basename('/foo.txt');

will return:

foo

This example:

path_basename('./foo.txt');

will return:

foo

This example:

path_basename('../foo.txt');

will return:

foo

This example:

path_basename('/foo/foo.txt');

will return:

foo

This example:

path_basename('/foo.bar.txt');

will return:

foo.bar

This example:

path_basename('/foo/bar.');

will return:

bar

This example:

path_basename('/foo/bar');

will return:

bar

This example:

path_basename('.bashrc');

will return:

.bashrc

This example:

path_basename('.bashrc.tmp');

will return:

.bashrc

This example:

path_basename('/no-dots');

will return:

no-dots

path_ext

Return the extension part of the given path

This example will not return a defined value:

path_ext(undef);

This example:

path_ext('foo.txt');

will return:

txt

This example:

path_ext('/foo.txt');

will return:

txt

This example:

path_ext('./foo.txt');

will return:

txt

This example:

path_ext('../foo.txt');

will return:

txt

This example:

path_ext('/foo/foo.txt');

will return:

txt

This example:

path_ext('/foo.bar.txt');

will return:

txt

This example:

path_ext('/foo/bar.');

will return:

This example will not return a defined value:

path_ext('/foo/bar');

This example will not return a defined value:

path_ext('.bashrc');

This example:

path_ext('.bashrc.tmp');

will return:

tmp

This example will not return a defined value:

path_ext('/no-dots');

path_normalize

Normalize form of the given path

path_parent

Return the parent of the given path

This example will not return a defined value:

path_parent('');

This example:

path_parent('/');

will return:

This example:

path_parent('/a');

will return:

This example:

path_parent('/a/b/..');

will return:

This example:

path_parent('a');

will return:

This example:

path_parent('a/b/');

will return:

This example:

path_parent('a/b.c');

will return:

This example:

path_parent('../../a');

will return:

../..

path_name

Return the name part of a path

This example will not return a defined value:

path_name('');

This example:

path_name('/');

will return:

This example:

path_name('/a');

will return:

This example:

path_name('/a/b/..');

will return:

This example:

path_name('a/b/');

will return:

This example:

path_name('a/b.c');

will return:

b.c

path_is_absolute

Is the path an absolute path

This example will return true:

path_is_absolute('/a');

This example will return true:

path_is_absolute('A:/b');

This example will return true:

path_is_absolute('/a/b');

This example will return true:

path_is_absolute('http://a');

This example will return true:

path_is_absolute('svn+ssh://a.b');

This example will return false:

path_is_absolute('');

This example will return false:

path_is_absolute('a/b');

This example will return false:

path_is_absolute('a:\\b');

This example will return false:

path_is_absolute('a/../b');

This example will return false:

path_is_absolute('../a');

This example will return false:

path_is_absolute('./a');

This example will return false:

path_is_absolute('svn+ssh//a.b');

This example will return false:

path_is_absolute('1://');

This example will return false:

path_is_absolute('+://');

dir_read

Return directory entries

file_read

Read file contents

file_read_binary

Read file contents (binary)

file_create

Create an empty file if none exists

file_write

Write contents to file

where:

@contents           Items may be scalars or scalar references

returns:

1 when successful
dies if a handle cannot be obtained

file_write_binary

Write contents to file (binary)

where:

@contents           Items may be scalars or scalar references

returns:

1 when successful
dies if a handle cannot be obtained

file_read_crown

Return the first line of a file

fs_handle

Return a file or directory handle

where:

$path           # Absolute or relative file-system path
$mode   r|w|rw  # Read or write access (default 'r')

dir_create

Create directory including parents

file_copy

Copy a file: See also: File::Copy::copy

file_move

Move a file: See also: File::Copy::move

dir_copy

Copy a directory recursively

dir_copy_contents

Copy a directory's contents recursively

dir_remove_contents

Remove a directories contents

dir_is_system

The directory is a system folder, such as '.svn'

This example will return true:

# normal usage
dir_is_system('.svn', '/tmp');

This example will return true:

# normal usage
dir_is_system('.git', '/tmp');

This example will return false:

# case sensitive
dir_is_system('.Svn', '/tmp');

This example will not return a defined value:

# undefined test
dir_is_system(undef, undef);

dir_move

Move a directory: See also: File::Copy::move

file_remove

Remove a file

dir_remove

Remove a directory recursively

PACKAGE INTERNALS

FS

Return the package name for the given file-system class

This example:

FS('Node');

will return:

Data::Hub::FileSystem::Node

_normalize

Implementation method for addr_normalize and path_normalize

AUTHORS

Ryan Gies <ryangies@cpan.org>

COPYRIGHT

Copyright (C) 2014-2016 by Ryan Gies. All rights reserved.
Copyright (C) 2006-2013 by Livesite Networks, LLC. All rights reserved.
Copyright (C) 2000-2005 by Ryan Gies. All rights reserved.
Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer.
* The origin of this software must not be misrepresented; you must not 
claim that you wrote the original software. If you use this software in a 
product, an acknowledgment in the product documentation would be 
appreciated but is not required.
* Altered source versions must be plainly marked as such, and must not be 
misrepresented as being the original software.
* The name of the author may not be used to endorse or promote products 
derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED 
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 
EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.
To the best of our knowledge, no patented algorithms have been used. However, we
do not have the resources to carry out a patent search, and therefore cannot 
give any guarantee of the above statement.

To install Data::Hub, copy and paste the appropriate command in to your terminal.

cpanm

cpanm Data::Hub

CPAN shell

perl -MCPAN -e shell
install Data::Hub

For more information on module installation, please visit the detailed CPAN module installation guide.

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NAME

SYNOPSIS

EXPORTS

DEPENDENCIES

DESCRIPTION

EXAMPLES

PUBLIC INTERFACE

is_abstract_key

is_abstract_addr

curry

typeof

addr_shift

addr_pop

addr_normalize

addr_parent

addr_name

addr_split

addr_join

addr_ext

addr_basename

addr_base

path_shift

path_pop

path_push

path_split

path_basename

path_ext

path_normalize

path_parent

path_name

path_is_absolute

dir_read

file_read

file_read_binary

file_create

file_write

file_write_binary

file_read_crown

fs_handle

dir_create

file_copy

file_move

dir_copy

dir_copy_contents

dir_remove_contents

dir_is_system

dir_move

file_remove

dir_remove

PACKAGE INTERNALS

FS

_normalize

AUTHORS

COPYRIGHT

Module Install Instructions