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Kovid Goyal 2021-01-06 14:08:10 +05:30
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manual/template_lang.rst
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@ -519,7 +519,7 @@ parameters can be statements (sequences of expressions). Note that the definitiv
* ``substr(str, start, end)`` -- returns the ``start``'th through the ``end``'th characters of ``str``. The first character in ``str`` * ``substr(str, start, end)`` -- returns the ``start``'th through the ``end``'th characters of ``str``. The first character in ``str``
is the zero'th character. If end is negative, then it indicates that many characters counting from the right. If end is zero, then it is the zero'th character. If end is negative, then it indicates that many characters counting from the right. If end is zero, then it
indicates the last character. For example, ``substr('12345', 1, 0)`` returns ``'2345'``, and ``substr('12345', 1, -1)`` returns ``'234'``. indicates the last character. For example, ``substr('12345', 1, 0)`` returns ``'2345'``, and ``substr('12345', 1, -1)`` returns ``'234'``.
* ``subtract(x, y)`` -- returns ``x - y. Throws an exception if either ``x`` or ``y`` are not numbers. * ``subtract(x, y)`` -- returns ``x - y``. Throws an exception if either ``x`` or ``y`` are not numbers.
* ``today()`` -- return a date string for today. This value is designed for use in `format_date` or `days_between`, but can be manipulated * ``today()`` -- return a date string for today. This value is designed for use in `format_date` or `days_between`, but can be manipulated
like any other string. The date is in ISO format. like any other string. The date is in ISO format.
* ``template(x)`` -- evaluates ``x`` as a template. The evaluation is done in its own context, meaning that variables are not shared between * ``template(x)`` -- evaluates ``x`` as a template. The evaluation is done in its own context, meaning that variables are not shared between