This section is where we need to transpose the row structure of the config file to columns so that we can use it as a lookup table later.
We use tFile delimited with Column values ranging from Column0 to ColumnN with a key column added as filename.
Then use tUnpivotRow as below
Use tMap to map the data to final config file as follows
The final file (column_config_final in my case) would look like this
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