mirror of https://github.com/perkeep/perkeep.git
91 lines
2.9 KiB
Markdown
91 lines
2.9 KiB
Markdown
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# Search UI
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The User Interface's "Search" box accepts predicates of the form
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"[-]operator:value[:value]". These predicates may be separated by 'and' or 'or'
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keywords, or spaces which mean the same as 'and'. Expressions like this may be
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grouped with parenthesis. Grouped expressions are evaluated first. Grouped
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expressions may be negated.
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An 'and' besides an 'or' is evaluated first. This means for example that
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tag:foo or is:pano tag:bar
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will return all images having tag foo together with the panorama images having
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tag bar.
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Negation of a predicate is achieved by prepending a minus sign: -is:landscape
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will match with pictures of not landscape ratio. For example:
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-(after:"2010-01-01" before:"2010-03-02T12:33:44") or loc:"Amsterdam"
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will return all images having "modtime" outside the specified period, joined
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with all images taken in Amsterdam.
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When you need to match a value containing a space, you need to use double quotes
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around the value only. For example: tag:"Three word tagname" and not "tag:Three
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word tagname". If your value contains double quotes you can use backslash
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escaping. For example:
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attr:bar:"He said: \"Hi\""
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## Usable operators
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**after**
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: date format is RFC3339, but can be shortened as required.
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**before**
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: i.e. 2011-01-01 is Jan 1 of year 2011 and "2011" means the same.
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**attr**
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: match on attribute. Use attr:foo:bar to match nodes having their foo attribute
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set to bar, or attr:foo:~bar to match nodes whose foo attribute contains bar
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(case insensitive substring match).
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**format**
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: file's format (or MIME-type) such as jpg, pdf, tiff.
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**has:location**
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: image has a location (GPSLatitude and GPSLongitude can be retrieved from the
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image's EXIF tags).
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**loc**
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: uses the EXIF GPS fields to match images having a location near the specified
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location. Locations are resolved using maps.googleapis.com. For example:
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loc:"new york, new york"
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**is:image**
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: object is an image
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**is:landscape**
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: the image has a landscape aspect
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**is:pano**
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: the image's aspect ratio is over 2 - panorama picture.
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**is:portrait**
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: the image has a portrait aspect.
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**height**
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: use height:min-max to match images having a height of at least min and at most
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max. Use height:min- to specify only an underbound and height:-max to specify
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only an upperbound. Exact matches should use height:480
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**tag**
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: match on a tag
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**width**
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: use width:min-max to match images having a width of at least min and at most
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max. Use width:min- to specify only an underbound and width:-max to specify
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only an upperbound. Exact matches should use width:640
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**filename**
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: search for permanodes of files with this filename (case sensitive)
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**childrenof**
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: Find child permanodes of a parent permanode (or prefix of a parent permanode):
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childrenof:sha1-527cf12
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**parentof**
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: Find parent permanodes of a child permanode (or prefix of a child permanode):
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parentof:sha1-527cf12
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