CSV Chunker
Split big CSV file to many small chunks with safe header
$ csv-chunker big_file.csv 42mb
big_csv.csv
id,name,age
1,alice,42
2,bob,24
after chunker worked
chunk_1.csv
id,name,age
1,alice,42
chunk_2.csv
id,name,age
2,bob,24
CSV Chunker
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