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Diffstat (limited to 'docs/config.txt')
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1 files changed, 0 insertions, 72 deletions
diff --git a/docs/config.txt b/docs/config.txt deleted file mode 100644 index 59881580b4..0000000000 --- a/docs/config.txt +++ /dev/null @@ -1,72 +0,0 @@ - == Structure of the configuration files == - -The config files are divided into sections and options/values. - -Every section has a type, but does not necessarily have a name. -Every option has a name and a value and is assigned to the section -it was written under. - -Syntax: - -config <type> [<name>] # Section - option <name> <value> # Option - - -Every parameter needs to be a single string and is formatted exactly -like a parameter for a shell function. The same rules for Quoting and -special characters also apply, as it is parsed by the shell. - - - - == Parsing configuration files in custom scripts == - -To be able to load configuration files, you need to include the common -functions with: - -. /etc/functions.sh - -Then you can use config_load <name> to load config files. The function -first checks for <name> as absolute filename and falls back to loading -it from /etc/config (which is the most common way of using it). - -If you want to use special callbacks for sections and/or options, you -need to define the following shell functions before running config_load -(after including /etc/functions.sh): - -config_cb() { - local type="$1" - local name="$2" - # commands to be run for every section -} - -option_cb() { - # commands to be run for every option -} - -You can also alter option_cb from config_cb based on the section type. -This allows you to process every single config section based on its type -individually. - -config_cb is run every time a new section starts (before options are being -processed). You can access the last section through the CONFIG_SECTION -variable. Also an extra call to config_cb (without a new section) is generated -after config_load is done. -That allows you to process sections both before and after all options were -processed. - -You can access already processed options with the config_get command -Syntax: - -config_get <section> <option> # prints the value of the option -config_get <variable> <section> <option> # stores the value inside the variable - -In busybox ash the three-option config_get is faster, because it does not -result in an extra fork, so it is the preferred way. - -Additionally you can also modify or add options to sections by using the -config_set command. - -Syntax: - -config_set <section> <option> <value> - |