Randomly appearing control characters in text files

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Re-appearing Files

Gurus I am running an AIX 7.1 system and have come across a strange issue. I am trying to delete files from a folder using standard 'rm' syntax. After i delete the files , files re-appear again. File renaming or editing does not help. Files re-appear with 0 bytes again. They are always 0...

2. Linux

How can I keep certain characters from appearing in a filename?

hi i know this is irrelevant to the question above but i was wondering how to pt a restriction in the filename in linux. I want that it is impossible to add numbers into the filename, help will be rely great , thanx! This posting was initially given as a reply to an unrelated thread. It has been...

3. UNIX for Dummies Questions & Answers

How to randomly select lines from a text file

I have a text file with 1000 lines, I want to randomly select 200 lines from it and print them as output. How do I go about doing that? Thanks!

4. Shell Programming and Scripting

sed replacing specific characters and control characters by escaping

sed -e "s// /g" old.txt > new.txt While I do know some control characters need to be escaped, can normal characters also be escaped and still work the same way? Basically I do not know all control characters that have a special meaning, for example, ?, ., % have a meaning and have to be escaped...

5. Shell Programming and Scripting

randomly shuffle two text files the same way

What I have are two text files that I need to shuffle randomly, but I need the two files to be randomly shuffled the same way. I have heard of shuf but I do not know how to use it for two files. Maybe there is also an easy/simple awk command I do not know about that could handle this problem. ...

6. UNIX for Dummies Questions & Answers

Simple version control script for text files

HI guys, Could you help me writing a simple version control script for a text files. the format could be ./version_control <file(s)> (I want it to be able to work with more than 1 file at the same time) commands are add and get, add means you add new file(s) to the archive, get means you...

7. Solaris

Question marks appearing instead of text entered

I have a netscape 4.79 browser for our GUI which connects to a Solaris5.8 box. During peek hours, we see question marks appearing in the screen instead of the text we enter. This results in query failure. This problem does not happen always, and is quite irritating because, we have to close the...

8. UNIX for Dummies Questions & Answers

randomly renaming files

I have a directory of files that look like filename 001.ext, filename 002.ext, etc. I'd like to rename the files with unique random numbered names, so that the original filenames are stripped and the files are given a new, random number name. I'm not super new to UNIX, but I don't often use it for...

9. Shell Programming and Scripting

Hidden control characters in a Unix Text File!

Can anyone seem to know how to find out whether a UNIX text file has 'hidden' control characters? Can I view them using 'vi' by some command line options? If there are control characters in a text file which are invisible/hidden.. then how do I get rid of them? Your intelletual answers are...

10. Shell Programming and Scripting

Search For Control M characters in files

Hi , I have special character control M in many of my files as below ersNet-Telnet-3.03/Makefile.PL100644 21166 144 612 7113770214 135 77 0ustar jayusers## -*- Perl -*-^M ^M use ExtUtils::MakeMaker qw(WriteMakefile);^M ^M WriteMakefile(NAME => "Net::Telnet",^M ...

LEARN ABOUT DEBIAN

unifuzz

unifuzz(1)						      General Commands Manual							unifuzz(1)

NAME

       unifuzz - Emit strings designed to test Unicode handling

SYNOPSIS

       unifuzz ([option flags])

DESCRIPTION

       unifuzz	emits strings designed to test the ability of programs intended to accept Unicode input to handle unexpected input. These include:
       characters from all Unicode ranges, Private Use characters, surrogates, undefined characters, non-characters,  control  characters,  exotic
       space characters, sequences violating normalization rules, unexpected sequences (e.g. a base character from one range followed by a combin-
       ing character from another range), and long sequences of combining characters.  It can also generate very long  lines,  strings	containing
       embedded nulls, and ill-formed UTF-8.

COMMAND LINE FLAGS

       -b     Restrict the output to the Basic Multilingual Plane (Plane 0).

       -g     Do not emit specific characters.

       -h     Print usage information.

       -l     Emit very long lines.

       -n     Emit string with embedded nulls.

       -q     Be quiet. Omit commentary.

       -r <number>
	      Set the number of random characters to emit.

       -S     Scan ranges - emit a character from each range.

       -s <seed>
	      Set the seed for the random number generator.

       -u     Emit ill-formed UTF-8.

       -v     Print version information.

       The  sequence  of  random  characters is determined by a pseudorandom number generator, so the same sequence can be obtained by setting the
       seed to the same value. If not set on the command line, a seed is chosen based on the time of execution. The seed used is included  in  the
       output  in  a  line  of the form "Seed = NNNNNN" immediately preceding the random character sequence. Note that in order to obtain the same
       sequence it is necessary to keep the same setting for restriction of output to the BMP.

REFERENCES

       Unicode Standard, version 5.0

AUTHOR

       Bill Poser
       billposer@alum.mit.edu

LICENSE

       GNU General Public License

								    April, 2008 							unifuzz(1)

AIX