Split a csv into multiple files, preserving headers. Call csv-split with -h for help. Requires perl, Text::CSV, and Getopt::Long. Examples: ~$ cat /tmp/a.csv a,b,c t,2,3 u,5,6 v,8,9 ~$ csv-split --file /tmp/a.csv --size 1 ~$ ls /tmp/a.* /tmp/a.000.csv /tmp/a.001.csv /tmp/a.002.csv /tmp/a.csv ~$ cat /tmp/a.0* a,b,c t,2,3 a,b,c u,5,6 a,b,c v,8,9 ~$ rm /tmp/a.0* ~$ cat /tmp/a.csv | csv-split --file - --size 1 --name /tmp/a.csv ~$ ls /tmp/a.* /tmp/a.000.csv /tmp/a.001.csv /tmp/a.002.csv /tmp/a.csv