Template:Yesno

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File:Notebook.pngDocumentation

This is a metatemplate used to normalize the input to a boolean value.

Usage

{{Yesno|<input>}} This will return as yes or blank (no) based on the input. The output can be customized with parameters.

Parameters

1 Template:Sup

The value to be evaluated.

yes

Specifies the output of the template when the input value is a case-insensitive forms of yes, y, true or 1.

no

Specifies the output of the template when the input value is a case-insensitive forms of no, n, false or 0.

blank

Specifies the output of the template when the input value is defined but is either empty or contains nothing but whitespace character(s).

def

Specifies the output of the template when the input value is defined but not a form of yes, no or blank.

¬

Specifies the output of the template when the input value is missing.

Logic distinction

Output parameter	Default output	Matches	Inputs
yes	yes	yes, y, true, t, on, 1	yes, y, true, t, on, 1
no	(null)	no, n, false, f, off, 0	no, n, false, f, off, 0
blank	no	blank input	(empty string)
def	yes	any other value	(any other value)
¬	blank	handled as ¬	(param 1 missing)

Examples

Basic usage

• {{Yesno|yes}} -> "yes"
• {{Yesno|no}} -> ""
• {{Yesno}} -> ""
• {{Yesno|anythingelse}} -> "yes"

Custom output

• {{Yesno|yes|yes=bacon}} -> "bacon"
• {{Yesno|no|no=ham}} -> "ham"
• {{Yesno|blank=eggs}} -> ""
  • {{Yesno|no=ham}} -> ""
  • {{Yesno|blank=eggs|no=ham}} -> ""
• {{Yesno|anythingelse|def=spam}} -> "spam"
  • {{Yesno|anythingelse|yes=bacon}} -> "bacon"
  • {{Yesno|anythingelse|def=spam|yes=bacon}} -> "spam"
• {{Yesno|¬=sausage}} -> "sausage"

How to translate

This template doesn't need to/shouldn't be translated, but you can translate the documentation of this template with the following steps:

1. Create a subpage of this template with the language code of the language you want to translate to.
2. Copy the code wrapped in the <noinclude> tag in this template into the page you created.

   {{Translation guide}} template should be removed from the translated documentation.

3. Translate the page according to the translation requirements of normal pages.

See also

• mw:Template:Yesno

Editors can experiment in this template's sandbox.