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SPLIT(1) BSD General Commands Manual SPLIT(1)
split -- split a file into pieces
split [-a suffix_length] [-b byte_count[k|m]] [-l line_count] [-p pattern] [file [name]]
The split utility reads the given file and breaks it up into files of 1000 lines each. If
file is a single dash ('-') or absent, split reads from the standard input.
The options are as follows:
-a Use suffix_length letters to form the suffix of the file name.
-b Create smaller files byte_count bytes in length. If ``k'' is appended to the num-
ber, the file is split into byte_count kilobyte pieces. If ``m'' is appended to the
number, the file is split into byte_count megabyte pieces.
-l Create smaller files n lines in length.
The file is split whenever an input line matches pattern, which is interpreted as an
extended regular expression. The matching line will be the first line of the next
output file. This option is incompatible with the -b and -l options.
If additional arguments are specified, the first is used as the name of the input file which
is to be split. If a second additional argument is specified, it is used as a prefix for
the names of the files into which the file is split. In this case, each file into which the
file is split is named by the prefix followed by a lexically ordered suffix using
suffix_length characters in the range ``a-z''. If -a is not specified, two letters are used
as the suffix.
If the name argument is not specified, the file is split into lexically ordered files named
with prefixes in the range of ``x-z'' and with suffixes as above.
The split utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'').
A split command appeared in Version 3 AT&T UNIX.
For historical reasons, if you specify name, split can only create 676 separate files. The
default naming convention allows 2028 separate files. The -a option can be used to work
around this limitation.
The maximum line length for matching patterns is 65536.
BSD April 16, 1994 BSD
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