python - Scrapy overwrite json files instead of appending the file -

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is there way overwrite said file instead of appending it?

example)

scrapy crawl myspider -o "/path/to/json/my.json" -t json     scrapy crawl myspider -o "/path/to/json/my.json" -t json

will append my.json file instead of overwrite it.

scrapy crawl myspider -t json --nolog -o - > "/path/to/json/my.json"

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