12-15-2010
How to add data from 2 input files and save it in 1 output file
Hi,
i have 2 input files which are file1.txt and file2.txt. I need to extract data from file1.txt and file2.txt and save it in file3.txt like example below:-
File1.txt
ID scrap1
Name scrap1
start 1
end 10
ID scrap2
Name scrap2
start 11
end 15
ID scrap3
Name scrap3
start 20
end 70
File2.txt
N size1.pf size1.fna
N size2.pf size2.fna
N size3.pf size3.fna
the input are from 2 different files and the output should be in file3.txt and should have as follows:-
File3.txt
scrap1 scrap1 N size1.pf size1.fna
scrap2 scrap2 N size1.pf size1.fna
scrap3 scrap3 N size1.pf size1.fna
the first 2 columns has the same data but for different field which are ID and Name. How to do this in perl or sed? i have more than 10k data to deal with in this way. appreciate if u could help on this. thanks
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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)