Join all the lines matching similar pattern Post: 302746349

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Grep -v lines starting with pattern 1 and not matching pattern 2

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Fetch lines between 1st and 4th similar pattern

Hi Folks, I have a big file that looks like below ========== kjhjl kjlklkkhcgflj fgf ========== xsww23edc ccdde3rfv ceerfcc vff4 ========== zaq12wsx xsw23edc ========== ==========

LEARN ABOUT OPENSOLARIS

cd

cd(1T)							       Tcl Built-In Commands							    cd(1T)

__________________________________________________________________________________________________________________________________________________

NAME

       cd - Change working directory

SYNOPSIS

       cd ?dirName?
_________________________________________________________________

DESCRIPTION

       Change the current working directory to dirName, or to the home directory (as specified in the HOME environment variable) if dirName is not
       given.  Returns an empty string.  Note that the current working directory is a per-process resource; the cd  command  changes  the  working
       directory for all interpreters and (in a threaded environment) all threads.

EXAMPLES

       Change to the home directory of the user fred:
	      cd ~fred

       Change to the directory lib that is a sibling directory of the current one:
	      cd ../lib

SEE ALSO

       filename(1T), glob(1T), pwd(1T)

KEYWORDS

       working directory

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +--------------------+-----------------+
       |  ATTRIBUTE TYPE    | ATTRIBUTE VALUE |
       +--------------------+-----------------+
       |Availability	    | SUNWTcl	      |
       +--------------------+-----------------+
       |Interface Stability | Uncommitted     |
       +--------------------+-----------------+
NOTES

       Source for Tcl is available on http://opensolaris.org.

Tcl																	    cd(1T)

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counting the lines matching a pattern, in between two pattern, and generate a tab

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Join lines on finding a pattern

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