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Top Forums Shell Programming and Scripting Remove the duplicate content in a file Post 302843251 by ashokvpp on Monday 12th of August 2013 12:51:05 PM
Old 08-12-2013
The occurrences are just random number of times.. all I need is just print the 1st occurrence of the start pattern match..

---------- Post updated at 11:51 AM ---------- Previous update was at 11:42 AM ----------

Code:
awk '!A[$0]++' RS="\n\n\n"  test.txt   # works great .

Have a good day Smilie

Last edited by Scott; 08-12-2013 at 01:52 PM.. Reason: Code tags
 

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GREP(1) 						      General Commands Manual							   GREP(1)

NAME
grep - search a file for lines containing a given pattern SYNOPSIS
grep [-elnsv] pattern [file] ... OPTIONS
-e -e pattern is the same as pattern -c Print a count of lines matched -i Ignore case -l Print file names, no lines -n Print line numbers -s Status only, no printed output -v Select lines that do not match EXAMPLES
grep mouse file # Find lines in file containing mouse grep [0-9] file # Print lines containing a digit DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1 occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is returned. SEE ALSO
cgrep(1), fgrep(1), sed(1), awk(9). GREP(1)
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