Reads a CSV, JSON, or XLSX file and writes it out in another of those formats, preserving columns and values.
JSON is read/written as an array of row objects (records). For XLSX input, pass sheet to pick a non-default sheet.
Target format.
Source format.
Sheet name for xlsx input (default first sheet).
Pre-signed GET URL of the input file.
Download URL TTL in seconds.
Filename for the output. Defaults to output.<to>.