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Full Discussion: awk working inside specific pattern ranges
Top Forums Shell Programming and Scripting awk working inside specific pattern ranges Post 302902679 by MadeInGermany on Wednesday 21st of May 2014 03:38:43 PM
Old 05-21-2014
A range only works outside of all { } so nesting is impossible.
A workaround:
Code:
awk '/BEG/,/EN/ {
 if (/BEG/) {block=1}
 if (block==1) {print $2}
 if (/ID/) {block=0}
}' file

 

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LEARN ABOUT CENTOS

pg_filedump

PG_FILEDUMP(1)							   User Commands						    PG_FILEDUMP(1)

NAME

       manual page for pg_filedump

SYNOPSIS

       pg_filedump [-abcdfhixy] [-R startblock [endblock]] [-S blocksize] file

DESCRIPTION

       Display formatted contents of a PostgreSQL heap/index/control file.

   The following options are valid for heap and index files:
       -a     Display absolute addresses when formatting (Block header information is always block relative)

       -b     Display binary block images within a range (Option will turn off all formatting options)

       -d     Display formatted block content dump (Option will turn off all other formatting options)

       -f     Display formatted block content dump along with interpretation

       -h     Display this information

       -i     Display interpreted item details

       -R     Display specific block ranges within the file (Blocks are indexed from 0)

	      [startblock]: block to start at [endblock]: block to end at

	      A startblock without an endblock will format the single block

       -S     Force block size to [blocksize]

       -x     Force interpreted formatting of block items as index items

       -y     Force interpreted formatting of block items as heap items

   The following options are valid for control files:
       -c     Interpret the file listed as a control file

       -f     Display formatted content dump along with interpretation

       -S     Force block size to [blocksize]

OTHERS

       This manual page was generated from pg_filedump help output (-h) by help2man(1).

REPORTING BUGS

       Report bugs to <pgsql-bugs@postgresql.org>

pg_filedump 9.2.0						     June 2013							    PG_FILEDUMP(1)
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