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Full Discussion: Advise to print lines before and after patterh match and checking and removing duplicate files
Top Forums UNIX for Beginners Questions & Answers Advise to print lines before and after patterh match and checking and removing duplicate files Post 303046122 by jim mcnamara on Friday 24th of April 2020 02:24:21 PM
Old 04-24-2020
IF you had mentioned your OS I could be sure of a better answer -
have you tried grep?
Code:
grep -A 10 -B 10  "CORRUPTION DETECTED" logfilename.log

is one way to it with many, but not all, OSes.

--- Post updated at 13:15 ---

If files are duplicated and assuming you mean what is inside the file is the same then try a cksum

Code:
oldsum=0
oldfile
ls logfile* | 
while read sum size name
do
   if [  "$sum" -eq $oldsum ] ; then
      echo "$oldname and $name are duplicates"
      # put a rm command here after you see this work correctly for you
      # assuming you delete the second file name
      continue
   fi
   oldname=$name
   oldsum=$sum
   
done

--- Post updated at 13:24 ---

try:
Code:
cd /path/to/logs


grep -l "CORRUPTION DETECTED" *.log  |
while read fname
do
   cksum $fname
done | sort -n -k1 > files.tmp
# files.tmp has a sorted list of files - by checksum

Get this working for you , then you can delete identical files.
This User Gave Thanks to jim mcnamara For This Post:
newbie_01
 

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LEARN ABOUT OSX

locale::codes::langfam

Locale::Codes::LangFam(3pm)				 Perl Programmers Reference Guide			       Locale::Codes::LangFam(3pm)

NAME

       Locale::Codes::LangFam - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangFam;

	  $lext = code2langfam('apa');		       # $lext gets 'Apache languages'
	  $code = langfam2code('Apache languages');    # $code gets 'apa'

	  @codes   = all_langfam_codes();
	  @names   = all_langfam_names();

DESCRIPTION

       The "Locale::Codes::LangFam" module provides access to standard codes used for identifying language families, such as those as defined in
       ISO 639-5.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 639-5
       language family codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language families. A code set may be specified using either a name, or a
       constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lext = code2langfam('apa','alpha');
	  $lext = code2langfam('apa',LOCALE_LANGFAM_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from ISO 639-5 such as 'apa' for Apache languages.

	   This is the default code set.

ROUTINES

       code2langfam ( CODE [,CODESET] )
       langfam2code ( NAME [,CODESET] )
       langfam_code2code ( CODE ,CODESET ,CODESET2 )
       all_langfam_codes ( [CODESET] )
       all_langfam_names ( [CODESET] )
       Locale::Codes::LangFam::rename_langfam  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangFam::add_langfam  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangFam::delete_langfam  ( CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangFam::delete_langfam_alias  ( NAME )
       Locale::Codes::LangFam::rename_langfam_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::delete_langfam_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.loc.gov/standards/iso639-5/id.php
	   ISO 639-5 .

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2012 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.2							    2012-10-11					       Locale::Codes::LangFam(3pm)
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