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Top Forums Shell Programming and Scripting Search for a pattern,extract value(s) from next line, extract lines having those extracted value(s) Post 302673847 by Corona688 on Wednesday 18th of July 2012 01:11:40 PM
Old 07-18-2012
Whenever you have sed | awk | grep | kitchen | sink, it can probably be done all in one awk. It's a lot more than a glorified 'cut'.

1) Search for a line containing CYTOCHROME C where there's two fields (as delimited by : )
2) Get the next line, clean it up with gsub(strip out " " ";" ","), turn the second field into a regex like [AB]
3) Set field separator to space.
4) For every line thereafter, if the line contains ATOM and the fifth field matches the regex, print the line.

Code:
awk -F":" '(!RGX) && /CYTOCHROME C/ && (NF==2) {
        getline
        gsub(/[;, ]*/, "");
        RGX="[" $2 "]"
        FS=" ";
} RGX && ($5 ~ RGX) && /ATOM/' inputfile

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innoextract(1)						      General Commands Manual						    innoextract(1)

NAME
innoextract - tool to extract installers created by Inno Setup SYNOPSIS
innoextract [-behlLqstv] [-ccolor] [-pprogress] installers ... DESCRIPTION
innoextract is a tool that can extract installer executables created by Inno Setup. innoextract will extract files from a installers specified on the command line. To extract a multi-part installer with external data files, only the executable (.exe) file needs to be given as an argument to innoex- tract. OPTIONS
-c --color [enable] By default innoextract will try to detect if the terminal supports shell escape codes and enable or disable color output accord- ingly. Pass 1 or true to --color to force color output. Pass 0 or false to never output color codes. --dump Don't convert Windows paths to UNIX paths and don't substitute variables in paths. -e --extract Extract all files to the current directory. This is the default action. You may only specify one of --extract , --list and --test -h --help Show a list of the supported options. --language [lang] Extract only language-independent files and files for the given language. By default all files are extracted. --license Show license information. -l --list List files contained in the installer but don't extract anything. You may only specify one of --extract , --list and --test -L --lowercase Convert filenames stored in the installer to lower-case before extracting. -p --progress [enable] By default innoextract will try to detect if the terminal supports shell escape codes and enable or disable progress bar output accordingly. Pass 1 or true to --progress to force progress bar output. Pass 0 or false to never show a progress bar. -q --quiet Less verbose output. -s --silent Don't output anything except errors and warnings. -t --test Test archive integrity but don't write any output files. You may only specify one of --extract , --list and --test -v --version Show the innoextract version number and supported Inno Setup versions. LIMITATIONS
innoextract currently only supports extracting all the data. There is no support for extracting individual files, components or languages. Included scripts and checks are not executed. Data is always extracted to the current directory and the mapping from Inno Setup variables like the application directory to subdirecto- ries is hard-coded. innoextract does not check if an installer includes multiple files with the same name and will continually overwrite the destination file when extracting. Names for data files in multi-file installers must follow the standard naming scheme. Encrypted installers are not supported. SEE ALSO
cabextract(1), unshield(1) BUGS
No known bugs. AUTHOR
Daniel Scharrer (daniel@constexpr.org) 1.2 2012-04-01 innoextract(1)
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