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Full Discussion: Grep lines between two specific words after matching pattern
Top Forums UNIX for Beginners Questions & Answers Grep lines between two specific words after matching pattern Post 303044461 by sagar_1986 on Saturday 22nd of February 2020 02:44:07 AM
Old 02-22-2020
Dear Scrutinizer and MadeInGermany ,

both solutions are working fine for thank you so much.





Thanks rbatte1,

I have tried your approach also, it works fine, but issue is that sed -n "$start_line,$end_line"p $filename is not working
calling variable inside sed is not working, sed -n "3,15"p $filename is working fine but sed -n "$start_line,$end_line"p is not, is there any alternate solution.
As per your suggestion i have tried this

Code:

# input of sample.gmf is like this, without quotes, "DOCSTART_2 |" for start
  #input of sample.gmf is like this, without quotes,"DOCEND |" for end 

# input for third matching pattern is "343"

 
# after grep -n the output is like this "1:DOCSTART_2 |" or "520:DOCEND |"


grep -n "DOCSTART_2" /home/testing/sagar/sample.GMF | awk -F ":" '{print $1}'  >  cat /home/testing/sagar/DOCSTART_2    ## start line numbers for entire file 

grep -n "DOCEND" /home/testing/sagar/sample.GMF | awk -F ":" '{print $1}'  >  cat /home/testing/sagar/DOCEND   ## end line numbers for entire file

input=`grep -n "12345" /home/testing/sagar/sample.GMF | awk -F ":" '{print $1}'`     # matching pattern (343)
  
> /home/clarity/sagar/less_DOCSTART_2
> /home/clarity/sagar/great_DOCEND

for file in `cat /home/testing/sagar/DOCSTART_2`
do
a=`echo $file`
if [ $a -lt $input ]
then
echo $a >> /home/clarity/sagar/less_DOCSTART_2
else
echo hi >> /dev/null
fi
done
 DOCSTART=`sort -n  /home/clarity/sagar/less_DOCSTART_2 | tail -1`  ## greatest start number


 for file1 in `cat /home/clarity/sagar/DOCEND`
do
b=`echo $file1 | awk -F ":" '{print $1}'`
if [ $b -gt $input ]
then
echo $a >> /home/clarity/sagar/great_DOCEND
else
echo hi >> /dev/null
fi
done
DOCEND=`sort -n  /home/clarity/sagar/great_DOCEND | head -1`   ## lowest end number
cat /home/testing/sagar/sample.GMF | sed -n "$DOCSTART,$DOCEND"'p  > /home/testing/sagar/sample.GMF_new   ##### not working

any suggestions or any changes in approach.
Thanks in advance.
 

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LEARN ABOUT DEBIAN

mojo::home

Mojo::Home(3pm) 					User Contributed Perl Documentation					   Mojo::Home(3pm)

NAME

       Mojo::Home - Detect and access the project root directory in Mojo

SYNOPSIS

	 use Mojo::Home;

	 my $home = Mojo::Home->new;
	 $home->detect;

DESCRIPTION

       Mojo::Home is a container for home directories.

ATTRIBUTES

       Mojo::Home implements the following attributes.

   "app_class"
	 my $class = $home->app_class;
	 $home	   = $home->app_class('Foo::Bar');

       Application class.

METHODS

       Mojo::Home inherits all methods from Mojo::Base and implements the following new ones.

   "new"
	 my $home = Mojo::Home->new;
	 my $home = Mojo::Home->new('/home/sri/myapp');

       Construct a new Mojo::Home object.

   "detect"
	 $home = $home->detect;
	 $home = $home->detect('My::App');

       Detect home directory from the value of the "MOJO_HOME" environment variable or application class.

   "lib_dir"
	 my $path = $home->lib_dir;

       Path to "lib" directory of application.

   "list_files"
	 my $files = $home->list_files;
	 my $files = $home->list_files('foo/bar');

       Portably list all files recursively in directory relative to the home diectory.

	 $home->rel_file($home->list_files('templates/layouts')->[1]);

   "mojo_lib_dir"
	 my $path = $home->mojo_lib_dir;

       Path to "lib" directory in which Mojolicious is installed.

   "parse"
	 $home = $home->parse('/home/sri/myapp');

       Parse home directory.

   "rel_dir"
	 my $path = $home->rel_dir('foo/bar');

       Portably generate an absolute path for a directory relative to the home directory.

   "rel_file"
	 my $path = $home->rel_file('foo/bar.html');

       Portably generate an absolute path for a file relative to the home directory.

   "slurp_rel_file"
	 my $string = $home->slurp_rel_file('foo/bar.html');

       Portably read all data at once from file relative to the home directory.

	 my $content = $home->slurp_rel_file($home->list_files('public')->[1]);

   "to_string"
	 my $string = $home->to_string;
	 my $string = "$home";

       Home directory.

SEE ALSO

       Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.

perl v5.14.2							    2012-09-05							   Mojo::Home(3pm)
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