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.\" ========================================================================
.\"
.IX Title "SPLIT 1"
.TH SPLIT 1 "2001-06-06" "perl v5.20.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
split \- split a file into pieces
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
split [\f(CW\*(C`\-b\*(C'\fR byte_count[k|m]] [\f(CW\*(C`\-l\*(C'\fR line_count] [\f(CW\*(C`\-p\*(C'\fR pattern] [file [name]]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \fBsplit\fR utility reads the given \fIfile\fR (or standard input if no file
is specified) and breaks it up into files of 1000 lines each.
.SH "OPTIONS"
.IX Header "OPTIONS"
\&\fBsplit\fR accepts the following options:
.IP "\-b byte_count[k|m]" 4
.IX Item "-b byte_count[k|m]"
Create smaller files \fIbyte_count\fR bytes in length.  If ``k'' is
appended to the number, the file is split into \fIbyte_count\fR kilobyte
pieces.  If ``m'' is appended to the number, the file is split into
\&\fIbyte_count\fR megabyte pieces.
.IP "\-l line_count[k|m]" 4
.IX Item "-l line_count[k|m]"
Create smaller files \fIline_count\fR lines in length. ``k'' and ``m'' operate as 
with \fB\-b\fR.
.IP "\-p pattern" 4
.IX Item "-p pattern"
The file is split whenever an input line matches \fIpattern\fR, which is
interpreted as a Perl regular expression.  The matching line will be
the first line of the next output file.  This option is incompatible
with the \fB\-b\fR and \fB\-l\fR options.
.IP "\-?" 4
Short usage summary.
.PP
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 \fIprefix\fR 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 \fIprefix\fR followed by a
lexically ordered suffix in the range of ``aaa\-zzz''.
.PP
If the name argument is not specified, the file is split into lexically
ordered files named in the range of ``xaaa\-xzzz''.
.SH "BUGS"
.IX Header "BUGS"
\&\fBsplit\fR can only create 17576 files.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIperlre\fR\|(1)
.SH "AUTHOR"
.IX Header "AUTHOR"
The Perl implementation of \fBsplit\fR was written by Rich Lafferty,
\&\fIrich@alcor.concordia.ca\fR.
.SH "COPYRIGHT and LICENSE"
.IX Header "COPYRIGHT and LICENSE"
This program is free and open software. You may use, copy, modify,
distribute and sell this program (and any modified variants) in any
way you wish, provided you do not restrict others to do the same.