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Full Discussion: Match exact String with sed command
Top Forums Shell Programming and Scripting Match exact String with sed command Post 302991456 by mohtashims on Friday 10th of February 2017 05:21:36 PM
Old 02-10-2017
Quote:
Originally Posted by Corona688
sed is often a difficult choice for anything stretching across multiple lines. awk has a special setting, RS="", to read entire blocks of text separated by blank lines at once.

Code:
$ awk 'index($0, "Start_of_DISK_info:"S"\n")==1' RS="" ORS="\n\n" S="/u" data

Start_of_DISK_info:/u
Disk: /u
CURRENT=81
End_of_DISK_info:/u

$

You'd have S="$lines"
Believe me it does not return any output. I am on
Code:
uname -a
SunOS mymac 5.11 11.2 sun4v sparc sun4v

 

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LEARN ABOUT MINIX

grep

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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