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GNU/Linux Basic Guide

This 255-page guide will provide you with the keys to understand the philosophy of free software, teach you how to use and handle it, and give you the tools required to move easily in the world of GNU/Linux. Many users and administrators will be taking their first steps with this GNU/Linux Basic guide and it will show you how to approach and solve the problems you encounter.

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sed awk tr etc

Posted 01-15-2013 at 06:33 AM by NullTerminator
Updated 01-18-2013 at 06:54 AM by NullTerminator (add sed cmd for non prinitng char)

Tags awk, blob, raspberrypi, sed, translate

A couple sample to strip unreadable characters from a binary file

Code:

# Translate junk characters into newlines while squeezing
C:\Temp>tr -sc '[\011\012\015\040-\176]' \n < blob_of_data.txt

# Translate and discard single character lines
C:\Temp>tr -sc '[\011\012\015\040-\176]' \n < blob_of_data.txt | awk "length($0) > 1"

# replace a bad character in a file
0xa0 is a 'non breaking space' that appears often when...

NullTerminator

LQ Newbie

Posted in Uncategorized

Views 299 Comments 0 NullTerminator is offline

NullTerminator NullTerminator is offline

Registered Jul 2006
Posts 8
Blog Entries 14

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