csv-add-concat - add a new column by concatenation of columns and fixed strings
csv-add-concat [OPTION]… -- new_name = [%name|str]…
Read CSV stream from standard input and print it back to standard output with a new column produced by concatenation of columns and fixed strings.
csv-ls -R -c parent,name . | csv-add-concat -s -- full_path = %parent / %name
csv-show(1), csv-nix-tools(7)