How to reorder all columns alphabetically?

[ChillarAnand]

There are few softwares which produce csv files and they change the order of the columns everytime.

I am trying to reorder all the columns alphabetically so that it would be easier to diff when using other tools.

The current reorder option is asking for a list of fields. Instead is there an option to sort all of them automatically?

[aborruso]

You can use sort-within-records

mlr --csv sort-within-records input.csv