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Top Forums Shell Programming and Scripting Extract specific read from a data Post 302385407 by patrick87 on Friday 8th of January 2010 03:32:39 AM
Old 01-08-2010
Extract specific read from a data

Input file:
Code:
#abc_1
SAASFASFGGDSGDSGDSGSDGSDGSDGSDGSDGSDGSDGDS

Output file:
Code:
FASFGGDSGDS

I just want to print out the read from position 5 until position 15 from the data.

Below is the code that I just try but it is failed to get my desired output:
Code:
grep -v '#' input_file | awk '{print substr($0,5,15)}'

Thanks for any advice.
 

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SYNC-AVAILABLE(8)					   Debian administrator's manual					 SYNC-AVAILABLE(8)

NAME
sync-available - sync dpkg's available database with apt's database SYNOPSIS
sync-available sync-available --version sync-available --help DESCRIPTION
This program updates the dpkg(8) available database with the data in the apt(8) package database. This is required for grep-available(1) and other similar programs to give up-to-date results. The same functionality is available through dselect(8), when it is configured to use apt(8) as its acquisition method. However, this pro- gram does not require that dselect(8) is installed. EXIT STATUS
The program exits with status code 0 if all went well, and a non-zero status code otherwise. OPTIONS
--version Output the name and version of the program onto standard output stream. --help Give a brief usage statement on the standard output stream. ENVIRONMENT
TMPDIR The name of the directory where temporary files are created. Default is /tmp. AUTHOR
The program and this manual page were written by Antti-Juhani Kaijanaho <ajk@debian.org>. SEE ALSO
grep-available(1), apt(8), dpkg(8), dselect(8) Debian Project 2005-07-11 SYNC-AVAILABLE(8)
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