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Full Discussion: error while replacing a string by new line character in sed
Top Forums Shell Programming and Scripting error while replacing a string by new line character in sed Post 302310794 by panyam on Monday 27th of April 2009 05:07:49 AM
Old 04-27-2009
The follwing is the correct sed (syntactically)

cat "$file" | sed -n ''$branch''p'' | sed 's/'$name'/&\n/g' | grep $name |wc -l

don't know whether it will gives you correct OP or not

What exactly you need ?..i mean your requirement.

You posted

where
$file=filename
$branch=line containing branch
$name=dev

but if you pass any numeric value for $brach say 1 or 2. The sed will print tht particular line and again some other searches and replaces. As always ther will be only one line , wc -l will result in 1.

How ever if u want to search for the existence of a word called "dev" in a specific line the following will do the job :

Code:
cat "$file" | sed -n ''$branch''p'' |deroff -w | sort | uniq -c  |grep $name | awk '{ print $1} '

Last edited by panyam; 04-27-2009 at 06:41 AM..
 

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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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