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Top Forums Shell Programming and Scripting Match the value & print lines from the match Post 302950675 by RavinderSingh13 on Tuesday 28th of July 2015 02:39:01 AM
Old 07-28-2015
Hello Shenbaga.d,

As your condition are very limited as per your input and post shown, following may help you in same then.
Code:
awk '{if(P=="xxx"){print}};{if($1=="xxx"){P="xxx"}}' Input_file

Following will be the output for same then.
Code:
ABS     654
ABO     785
ACC     754

Thanks,
R. Singh
 

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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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