Provided by: elektra-doc_0.8.14-5_all bug

NAME

       md_src_plugins_ini_README - README

       • infos = Information about ini plugin is in keys below

       • infos/author = Felix Berlakovich elektra@berlakovich.net

       • infos/licence = BSD

       • infos/needs =

       • infos/provides = storage

       • infos/placements = getstorage setstorage

       • infos/description = ini file backend

       This plugin allows read/write of INI files. INI files consist of simple key value pairs of
       the form 'key = value'. Additionally keys can be categorised into different sections.
       Sections must be enclosed in '[]', for example '[section]'. Each section is converted into
       a directory key (without value) and keys below the section are located below the section
       key. If the same section appears multiple times, the keys of all sections with the same
       name are merged together under the section key.

   USAGE
       If you want to add a ini file to the global key database, simply use mount:

       kdb mount file.ini /example ini

       Then you can modify the contents of the ini file using set:

       kdb set user/example/key value
       kdb set user/example/section
       kdb set user/example/section/key value

       Find out which file you modified:

       kdb file user/example

   SECTIONS
       When converting a KeySet to an INI file it is important to differentiate between regular
       keys and section keys. The ini plugin treats all keys with a binary NULL value as section
       key. Note that binary NULL is not the same as an empty value (i.e. '').

       For example consider the following ini file:

                                   [section1]
                                   key1 =
                                   key2 = value2

       This would result in a KeySet containing three keys. The section key section1 would be a
       binary key with value NULL (i.e. 0). section1/key1 would be a regular key with value ''.
       section1/key2 would be a regular key with value 'value2'. In the other direction this
       requires section keys to be manually created with a binary NULL value.

       For example consider the following KeySet:

                                   section1 = ""
                                   section1/subkey = "value1"

       Although section1 might look like a section, it would result in the following ini file:

                                   section1 =
                                   section1subkey = value1

   AUTOSECTIONS
       Creating the section keys manually can be cumbersome. This is especially true because
       KeySets resulting in INI files usually do not contain keys with a depth greater than 1
       relative to the parent key. For that reason a good guess can be made what should be
       sections and what not. This is done by activanting the autosections option.

       The autosections feature can be enabled by creating a key named autosections in the
       configuration of the plugin. Note that only the existence of the key is relevant, not its
       value.

       As soon as this key exists, the plugin will automatically create section keys for keys
       with a depth greater than 1 relative to the parent key.

       For example consider the following ini file:

                                   [section1]
                                   key1 =
                                   key2 = value2
                                   [section2]
                                   key3 = value3

       Without the autosections option the following KeySet is required to create this ini file:

                                   parent/section1 = NULL
                                   parent/section1/key1 = ""
                                   parent/section1/key2 = "value2"
                                   parent/section2 = NULL
                                   parent/section2/key3 = "value3"

       The section keys have to be inserted manually. With the autosections option the KeySet can
       be reduced to the following:

                                   parent/section1/key1 = ""
                                   parent/section1/key2 = "value2"
                                   parent/section2/key3 = "value3"

       All three keys have a depth greater than 1 relative to the parent key parent. Therefore
       the key name part directly below the parent key is considered to be the section name. For
       example, for the keys parent/section1/key1 and parent/section1/key2 section1 is considered
       to be the section and is automatically created in the INI file.

   COMMENTS
       The ini plugin supports the use of comments. Comment lines start with a ';' or a '#'.
       Adjacent comments are merged together (separated by '\n') and are put into the comment
       metadata of the key following the comment. This can be either a section key or a normal
       key.

   MULTILINE SUPPORT
       The ini plugin supports multiline ini values. Continuations of previous values have to
       start with whitespace characters.

       For example consider the following ini file:

                                   key1 = value1
                                   key2 = value2
                                           with continuation
                                           lines

       This would result in a KeySet containing two keys. One key named key1 with the value
       value1 and another key named key2 with the value value2\nwith continuation\nlines.

       By default the support for multiline values is disabled because formatting (whitespaces
       before keynames) may be accidentially mixed with value continuations. The multiline
       support can be enabled by creating a key named multiline in the configuration of the
       plugin. Note that only the existence of the key is relevant, not its value. As soon as
       this key exists, the plugin treats lines starting with whitespaces as continuations of the
       previous key value. Keep in mind, that writing multiline values is also only supported if
       the multiline support is turned on. Otherwise the plugin will refuse to write key values
       with newlines.

   METAKEY SUPPORT
       The ini plugin supports turning keys into metakeys by adding the config key meta.

   PRESERVE ORDER
       If the preserveorder config key is set, the ini plugin preserves the original order of the
       file. Only use this option for editing existing key values.

   RESTRICTIONS
       Currently the plugin has the following shortcomings:

       • formatting newlines are not restored on write

       • regardless of which comment was used originally, it is always written back as ';'

       The plugin is still work in progress.