74 lines
2.8 KiB
Markdown
74 lines
2.8 KiB
Markdown
To select a set of pages, such as pages that are locked, pages
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whose commit emails you want subscribe to, or pages to combine into a
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blog, the wiki uses a PageSpec. This is an expression that matches
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a set of pages.
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The simplest PageSpec is a simple list of pages. For example, this matches
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any of the three listed pages:
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foo or bar or baz
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More often you will want to match any pages that have a particular thing in
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their name. You can do this using a glob pattern. "`*`" stands for any part
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of a page name, and "`?`" for any single letter of a page name. So this
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matches all pages about music, and any [[SubPage]]s of the SandBox, but does
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not match the SandBox itself:
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*music* or SandBox/*
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You can also prefix an item with "`!`" to skip pages that match it. So to
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match all pages except for Discussion pages and the SandBox:
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* and !SandBox and !*/Discussion
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Some more elaborate limits can be added to what matches using any of these
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functions:
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* "`link(page)`" - match only pages that link to a given page
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* "`backlink(page)`" - match only pages that a given page links to
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* "`creation_month(month)`" - match only pages created on the given month
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* "`creation_day(mday)`" - or day of the month
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* "`creation_year(year)`" - or year
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* "`created_after(page)`" - match only pages created after the given page
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was created
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* "`created_before(page)`" - match only pages created before the given page
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was created
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* "`user(name)`" - only available in page subscription preferences, match
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only changes made by this user
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For example, to match all pages in a blog that link to the page about music
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and were written in 2005:
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blog/* and link(music) and creation_year(2005)
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More complex expressions can also be created, by using parentheses for
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grouping. For example, to match pages in a blog that are tagged with either
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of two tags, use:
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blog/* and (link(tag/foo) or link(tag/bar))
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Note that page names in PageSpecs are matched against the absolute
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filenames of the pages in the wiki, so a pagespec "foo" used on page
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"a/b" will not match a page named "a/foo" or "a/b/foo". To match
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relative to the directory of the page containing the pagespec, you can
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use "./". For example, "./foo" on page "a/b" matches page "a/foo".
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## Old syntax
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The old PageSpec syntax was called a "GlobList", and worked differently in
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two ways:
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1. "and" and "or" were not used; any page matching any item from the list
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matched.
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2. If an item was prefixed with "`!`", then no page matching that item
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matched, even if it matched an earlier list item.
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For example, here is the old way to match all pages except for the SandBox
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and Discussion pages:
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* !SandBox !*/Discussion
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Using this old syntax is still supported. However, the old syntax is
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deprecated and will be removed at some point, and using the new syntax is
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recommended.
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