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.TH SPLIT 1
.CT 1 files
.SH NAME
split \- split a file into pieces
.SH SYNOPSIS
.B split
[
.I option ...
]
[
.I file
]
.SH DESCRIPTION
.I Split
reads
.I file
(standard input by default)
and writes it in pieces of 1000
lines per output file.
The names of the
output files are
.BR xaa ,
.BR xab ,
and so on to
.BR xzz .
The options are
.TP
.BI -n " n"
Split into
.IR n -line
pieces.
.TP
.BI -l " n"
Synonym for
.B -n
.IR n ,
a nod to Unix's syntax.
.TP
.BI -e " expression"
File divisions occur at each line
that matches a regular
.IR expression ;
see
.IM regexp (7) .
Multiple
.B -e
options may appear.
If a subexpression of
.I expression
is contained in parentheses
.BR ( ... ) ,
the output file name is the portion of the
line which matches the subexpression.
.TP
.BI -f " stem
Use
.I stem
instead of
.B x
in output file names.
.TP
.BI -s " suffix
Append
.I suffix
to names identified under
.BR -e .
.TP
.B -x
Exclude the matched input line from the output file.
.TP
.B -i
Ignore case in option
.BR -e ;
force output file names (excluding the suffix)
to lower case.
.SH SOURCE
.B \*9/src/cmd/split.c
.SH SEE ALSO
.IR sed (1),
.IM awk (1) ,
.IM grep (1) ,
.IM regexp (7)
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