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Top Forums Shell Programming and Scripting text processing and filtering scripting Post 302450130 by l20N1N on Thursday 2nd of September 2010 02:39:55 AM
Old 09-02-2010
text processing and filtering scripting

Still new to bash. Using debian lenny 5, bash version 3.2.39. I'm working on three scripts. I need help completing them.

One script that inputs a plain text file, echo then chop it up into separate whitespace-delimited strings as an output. Not sure how to do this...

for example, the content could be this:
Code:
550e8400-e29b-41d4-a716-446655440000John doe 543    192.168.1.1


Second script that inputs a plain text file and output is stripped of uuid's (all versions) and ip addresses for example
Code:
550e8400-e29b-41d4-a716-446655440000John doe 543    192.168.1.1 
to 
John doe 543

I would guess with the exception of [0-9A-Z] with awk?


also not sure how to do this.

Third script that input a plain text file and output the unique lines, sorted according to their frequency
code so far:

Code:
  
sort | uniq -c | sort -nr 

done >> output.txt



---------- Post updated at 11:39 PM ---------- Previous update was at 04:02 PM ----------

Ok so I got two scripts done. I actually just need help on the second script.

Last edited by l20N1N; 09-01-2010 at 10:40 PM.. Reason: correction
 

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LIBBASH(7)							  libbash Manual							LIBBASH(7)

NAME
libbash -- A bash shared libraries package. DESCRIPTION
libbash is a package that enables bash dynamic-like shared libraries. Actually its a tool for managing bash scripts whose functions you may want to load and use in scripts of your own. It contains a 'dynamic loader' for the shared libraries ( ldbash(1)), a configuration tool (ldbashconfig(8)), and some libraries. Using ldbash(1) you are able to load loadable bash libraries, such as getopts(1) and hashstash(1). A bash shared library that can be loaded using ldbash(1) must answer 4 requirments: 1. It must be installed in $LIBBASH_PREFIX/lib/bash (default is /usr/lib/bash). 2. It must contain a line that begins with '#EXPORT='. That line will contain (after the '=') a list of functions that the library exports. I.e. all the function that will be usable after loading that library will be listed in that line. 3. It must contain a line that begins with '#REQUIRE='. That line will contain (after the '=') a list of bash libraries that are required for our library. I.e. every bash library that is in use in our bash library must be listed there. 4. The library must be listed (For more information, see ldbashconfig(8)). Basic guidelines for writing library of your own: 1. Be aware, that your library will be actually sourced. So, basically, it should contain (i.e define) only functions. 2. Try to declare all variables intended for internal use as local. 3. Global variables and functions that are intended for internal use (i.e are not defined in '#EXPORT=') should begin with: __<library_name>_ For example, internal function myfoosort of hashstash library should be named as __hashstash_myfoosort This helps to avoid conflicts in global name space when using libraries that come from different vendors. 4. See html manual for full version of this guide. AUTHORS
Hai Zaar <haizaar@haizaar.com> Gil Ran <ril@ran4.net> SEE ALSO
ldbash(1), ldbashconfig(8), getopts(1), hashstash(1) colors(1) messages(1) urlcoding(1) locks(1) Linux Epoch Linux
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