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Top Forums Shell Programming and Scripting grep on string and printing line after until another string has been found Post 302541249 by fpmurphy on Saturday 23rd of July 2011 09:40:02 AM
Old 07-23-2011
grep is not really a good tool to use for this kind of thing. I suggest you look at either awk, perl or sed.

For example, here is one way of printing all lines between START/ACTNUMBER and FINISH using sed:
Code:
sed -n '/START:\(.*\)ACTNUMBER/,/FINISH:/p' file

It does not handle the nested case. For that you need to use a tool like awk or perl.
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ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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