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Full Discussion: Splitting the file
Top Forums UNIX for Dummies Questions & Answers Splitting the file Post 302644363 by jim mcnamara on Monday 21st of May 2012 05:34:38 PM
Old 05-21-2012
None will have duplicates

Assume the bigfile has 1000 lines, you want 10 with 100 lines each
Code:
split -l 100 bigfile  smallfile

This gives you 10 files named smallfilea, smallfileb.... smalafilej with 100 lines each.

Split by bytes: suppose you have bigfile with 10240 bytes, split into small files of 1024 bytes:
Code:
split -b 1024 bigfile smallfile

Same smallfile names. bigfile is unchanged in either operation.
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SPLIT(1)							   User Commands							  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [OPTION]... [INPUT [PREFIX]] DESCRIPTION
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 --verbose print a diagnostic just before each output file is opened --help display this help and exit --version output version information and exit SIZE may have a multiplier suffix: b 512, kB 1000, K 1024, MB 1000*1000, M 1024*1024, GB 1000*1000*1000, G 1024*1024*1024, and so on for T, P, E, Z, Y. AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman. REPORTING BUGS
Report split bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> COPYRIGHT
Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. 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 coreutils 'split invocation' should give you access to the complete manual. GNU coreutils 7.1 July 2010 SPLIT(1)
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