In my XQuery script I’m building a map from all the image files in a
directory tree (using BaseX’s file extensions):
let $files := file:list($rootDir, true(), ‘*.png’)
let $imageMap := map:merge(
for $file in $files
map:entry(local:getFilename($file), map{‘path’ : $file, ‘keyname’,
local:getKeyName($file))
)
At this point $imageMap is a map where each entry’s value is also a map.
Then declare it as such: don't forget the "as" clause. Declaring the types of
your variables would have caught the bug for you. It would also have made the
code more readable.
Michael Kay
Saxonica
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