github.com/GuanceCloud/cliutils@v1.1.21/pipeline/ptinput/funcs/md/uppercase.en.md (about) 1 ### `uppercase()` {#fn-uppercase} 2 3 Function prototype: `fn uppercase(key: str)` 4 5 Function description: Convert the content in the extracted key to uppercase 6 7 Function parameters: 8 9 - `key`: Specify the extracted field name to be converted, and convert the content of `key` to uppercase 10 11 Example: 12 13 ```python 14 # Data to be processed: {"first": "hello","second":2,"third":"aBC","forth":true} 15 16 # process script 17 json(_, first) uppercase(first) 18 19 # process result 20 { 21 "first": "HELLO" 22 } 23 ```