infile into equal-sized segments.
infile remains unchanged, and the results are written to
ab, and so on. (Default is xaa, xab, etc.). If
infile is (or missing and default outfile is used), standard input is read.
n-line segments (default is 1000).
n-byte segments. Alternate blocksizes may be specified:
Take input from the standard input.
Break bigfile into 1000-line segments:
Join four files, then split them into 10-line files named new.aa, new.ab, and so on. Note that without the -, new. is as a nonexistent input file:
cat list[1-4] | split -10 - new.