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split

Split a file into pieces.

  • Split a file, each split having 10 lines (except the last split):

split -l {{10}} {{filename}}

  • Split a file by a regular expression. The matching line will be the first line of the next output file:

split -p {{cat|^[dh]og}} {{filename}}

  • Split a file with 512 bytes in each split (except the last split; use 512k for kilobytes and 512m for megabytes):

split -b {{512}} {{filename}}