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split - split a file into pieces




Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default size is 1000 lines, and default PREFIX is ‘x’. With no INPUT, or when INPUT is -, read standard input.

Mandatory arguments to long options are mandatory for short options too.

-a, --suffix-length=N
use suffixes of length N (default 2)

-b, --bytes=SIZE
put SIZE bytes per output file

-C, --line-bytes=SIZE
put at most SIZE bytes of lines per output file

-d, --numeric-suffixes
use numeric suffixes instead of alphabetic

-l, --lines=NUMBER
put NUMBER lines per output file

print a diagnostic to standard error just before each output file is opened

--help display this help and exit

output version information and exit

SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.


Written by Torbjorn Granlund and Richard M. Stallman.

Reporting Bugs

Report bugs to <>.


Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <>. There is NO WARRANTY, to the extent permitted by law.

See Also

The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site, the command

info split

should give you access to the complete manual.

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