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156 lines
3.7 KiB
ReStructuredText
156 lines
3.7 KiB
ReStructuredText
.. highlight:: ini
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polybar(5)
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==========
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Description
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-----------
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The polybar configuration file defines the behavior and look of polybar. It uses
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a variant of the `INI <https://en.wikipedia.org/wiki/INI_file>`_ file format.
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The exact syntax is described below but first a small snippet to get familiar
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with the syntax:
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::
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[section_name]
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; A comment
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# Another comment
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background = #ff992a
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width = 90%
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monitor = HDMI-0
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screenchange-reload = false
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; Use double quotes if you want to keep the surrounding space.
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text = " Some text "
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When started ``polybar`` will search for the config file in one of several
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places in the following order:
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* If the ``-c`` or ``--config`` command line argument is specified, it will use
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the path given there.
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* ``$XDG_CONFIG_HOME/polybar/config``
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* ``$HOME/.config/polybar/config``
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Syntax
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------
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The entire config is line-based so everything is constrained to a single line.
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This means there are no multiline values or other multiline constructs (except
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for sections).
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Each line has one of four types:
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* Empty
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* Comment
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* Section Header
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* Key
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Spaces at the beginning and end of each line will be ignored.
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.. note::
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In this context "spaces" include the regular space character as well as the
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tab character and any other character for which :manpage:`isspace(3)` returns
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``true`` (e.g. ``\r``).
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Any line that doesn't fit into one of these four types is a syntax error.
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.. note::
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It is recommended that `section header` names and `key` names only use
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alphanumeric characters as well as dashes (``-``), underscores (``_``) and
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forward slashes (``/``).
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In practice all characters are allowed except for spaces and any of these:
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``"'=;#[](){}:.$\%``
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Section Headers
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^^^^^^^^^^^^^^^
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Sections are used to group config options together. For example each module is
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defined in its own section.
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A section is defined by placing the name of the section in square brackets
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(``[`` and ``]``). For example:
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::
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[module/wm]
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This declares a section with the name ``module/wm`` and all keys defined after
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this line will belong to that section until a new section is declared.
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.. warning::
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The first non-empty and non-comment line in the main config file must be a
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section header. It cannot be a key because that key would not belong to any
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section.
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.. note::
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The following section names are reserved and cannot be used inside the config:
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``self``, ``root``, and ``BAR``.
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Keys
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^^^^
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Keys are defined by assigning a value to a name like this:
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::
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name = value
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This assigns ``value`` to the key ``name`` in whatever section this line is in.
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Key names need to be unique per section.
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If the value is enclosed by double-quotes (``"``), the quotes will be ignored.
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So the following still assigns ``value`` to ``name``:
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::
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name = "value"
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Spaces around the equal sign are ignored, the following are all equivalent:
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::
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name=value
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name = value
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name = value
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Because spaces at the beginning and end of the line are also ignored, if you
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want your value to begin and/or end with a space, the value needs to be enclosed
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in double-quotes:
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::
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name = " value "
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Here ``name`` has a leading and trailing whitespace.
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Empty Lines & Comments
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^^^^^^^^^^^^^^^^^^^^^^
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Empty lines and comment lines are ignored when reading the config file, they do
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not affect polybar's behavior. Comment lines start with either the ``;`` or the
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``#`` character.
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.. note::
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Inline comments are not supported. For example the following line does not end
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with a comment, they value of ``name`` is actually set to ``value ; comment``:
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::
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name = value ; comment
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SEE ALSO
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--------
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.. only:: man
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:manpage:`polybar(1)`
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.. only:: not man
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:doc:`polybar.1`
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