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Shell Programming and Scripting
Split a single file into multiple files based on a value.
Post 302967102 by RudiC on Friday 19th of February 2016 10:24:09 AM
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Let's assume that I have a file name called ‘A' and it has 100 lines in it and would like to split these 100 lines into 4 files as specified bellow.
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1
2
3
4
5
6
7
8
9
........100
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....
.....
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....
....
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LEARN ABOUT CENTOS
unsquashfs
UNSQUASHFS(1) uncompress squashfs filesystems UNSQUASHFS(1) NAME
mksquashfs - tool to uncompress squashfs filesystems SYNOPSIS
unsquashfs [OPTIONS] FILESYSTEM [directories or files to extract] DESCRIPTION
Squashfs is a highly compressed read-only filesystem for Linux. It uses zlib compression to compress both files, inodes and directories. Inodes in the system are very small and all blocks are packed to minimize data overhead. Block sizes greater than 4K are supported up to a maximum of 64K. Squashfs is intended for general read-only filesystem use, for archival use (i.e. in cases where a .tar.gz file may be used), and in con- strained block device/memory systems (e.g. embedded systems) where low overhead is needed. OPTIONS
-v, -version print version, licence and copyright information. -d PATHNAME, -dest PATHNAME unsquash to PATHNAME, default "squashfs-root". -n, -no-progress don't display the progress bar. -no, -no-xattrs don't extract xattrs in file system. -x, -xattrs extract xattrs in file system (default). -p NUMBER, -processors NUMBER use NUMBER processors. By default will use number of processors available. -i, -info print files as they are unsquashed. -li, -linfo print files as they are unsquashed with file attributes (like ls -l output). -l, -ls list filesystem, but don't unsquash. -ll, -lls list filesystem with file attributes (like ls -l output), but don't unsquash. -f, -force if file already exists then overwrite. -s, -stat display filesystem superblock information. -e EXTRACT_FILE, -ef EXTRACT_FILE list of directories or files to extract. One per line. -da SIZE, -data-queue SIZE Set data queue to SIZE Mbytes. Default 256 Mbytes. -fr SIZE, -frag-queue SIZE Set fragment queue to SIZE Mbytes. Default 256 Mbytes. -r, -regex treat extract names as POSIX regular expressions rather than use the default shell wildcard expansion (globbing). Decompressors available gzip lzo xz SEE ALSO
mksquashfs(1) HOMEPAGE
More information about unsquashfs and the squashfs filesystem can be found at <http://squashfs.sourceforge.net/>. AUTHOR
squashfs was written by Phillip Lougher <plougher@users.sourceforge.net>. This manual page was written by Daniel Baumann <daniel.baumann@progress-technologies.net>. 4.2 2012-06-30 UNSQUASHFS(1)