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Full Discussion: print chunk of lines only if there is a pattern match in between them
Top Forums Shell Programming and Scripting print chunk of lines only if there is a pattern match in between them Post 302497928 by niel.verty on Friday 18th of February 2011 11:59:34 AM
Old 02-18-2011
Question print chunk of lines only if there is a pattern match in between them
Hi All,
Please find the sample file below:
Code:
NAME                                                                                               ID NUMBER
--------------------------------------------------------------------------------------------------       ---------
abcdefgheija;lksdf                                                                                 11000000 
*** LOCKED *** 
    PARENT                            3887                                                        
    TRAN NO:                                03                                                      
    PARENT 
    PARENT 
NAME                                                                                               ID NUMBER
-------------------------------------------------------------------------------------------------- ---------
bbcdeqgheija;lksdf                                                                                 11300000 
                                            
    DATE:                            02-MAR-2010                                     
    SOURCE CORRECTION:                      Y                                                             
NAME                                                                                               ID NUMBER
-------------------------------------------------------------------------------------------------- ---------
vbcdewgheija;lksdf                                                                                 10200000 
                                           
    DATE:                            15-DEC-2010                                      
    
NAME                                                                                               ID NUMBER
-------------------------------------------------------------------------------------------------- ---------
cvbcdeegheija;lksdf                                                                                10300000 
                                           
*** LOCKED *** 
    MIDDLE INITIAL:                                                                                    
    DATE:                            03-JUN-2010                      
<<<<< EOF>>>>

I am trying to print the lines starting from name till next name is encountered, but only if "LOCKED" term is present in the details of that person.

Any input or psuedocode in Perl script is welcome. Right now my code is either printing the whole file or the lines with LOCKED term.

Thanks in advance,
Niel.
Last edited by Scott; 02-18-2011 at 02:00 PM.. Reason: Please use code tags
 

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LEARN ABOUT OPENDARWIN

nl

NL(1)                                                              User Commands                                                             NL(1)

NAME

       nl - number lines of files

SYNOPSIS

       nl [OPTION]... [FILE]...

DESCRIPTION

       Write each FILE to standard output, with line numbers added.

       With no FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -b, --body-numbering=STYLE
              use STYLE for numbering body lines

       -d, --section-delimiter=CC
              use CC for logical page delimiters

       -f, --footer-numbering=STYLE
              use STYLE for numbering footer lines

       -h, --header-numbering=STYLE
              use STYLE for numbering header lines

       -i, --line-increment=NUMBER
              line number increment at each line

       -l, --join-blank-lines=NUMBER
              group of NUMBER empty lines counted as one

       -n, --number-format=FORMAT
              insert line numbers according to FORMAT

       -p, --no-renumber
              do not reset line numbers for each section

       -s, --number-separator=STRING
              add STRING after (possible) line number

       -v, --starting-line-number=NUMBER
              first line number for each section

       -w, --number-width=NUMBER
              use NUMBER columns for line numbers

       --help display this help and exit

       --version
              output version information and exit

       By  default,  selects -v1 -i1 -l1 -sTAB -w6 -nrn -hn -bt -fn.  CC are two delimiter characters used to construct logical page delimiters, a
       missing second character implies :.  Type \ for .  STYLE is one of:

       a      number all lines

       t      number only nonempty lines

       n      number no lines

       pBRE   number only lines that contain a match for the basic regular expression, BRE

       FORMAT is one of:

       ln     left justified, no leading zeros

       rn     right justified, no leading zeros

       rz     right justified, leading zeros

AUTHOR

       Written by Scott Bartram and David MacKenzie.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report nl translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       Full documentation at: <http://www.gnu.org/software/coreutils/nl>
       or available locally via: info '(coreutils) nl invocation'

GNU coreutils 8.28                                                 January 2018                                                              NL(1)
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