in reply to
Sort CSV file within Excel based on specific column
No need to open a CSV file in Excel. Use Text::CSV/Text::CSV_XS. Read read the lines, put then in a hash keyed by your sort column, sort the keys, and print the lines.
...put then in a hash keyed by your sort column...
Done this way, wouldn't the OP lose a csv row if two entries from the sort column are the same?
Postpone until later
Each and every
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