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handle map layer values
These are treated as the file path to the layer.
E.g.
base_file_name(@some_variable_which_is_a_layer)
will return the base file name of the layer's source
16 lines
483 B
Plaintext
16 lines
483 B
Plaintext
{
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"name": "file_exists",
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"type": "function",
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"groups": ["Files and Paths"],
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"description": "Returns true if a file path exists.",
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"arguments": [{
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"arg": "path",
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"description": "a file path or a map layer value. If a map layer layer value is specified then the file source of the layer will be used."
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}],
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"examples": [{
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"expression": "file_exists('/home/qgis/data/country_boundaries.shp')",
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"returns": "true"
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}],
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"tags": ["path", "exists", "file"]
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}
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