05-06-2011
Extracting/condensing text from multiple files to multiples files
Hi Everyone,
I'm really new to all this so I'm really hoping someone can help. I have a directory with ~1000 lists from which I want to extract lines from and write to new files. For simplicity lets say they are shopping lists and I want to write out the lines corresponding to apples to a new file for each list i.e. list1apples, list2apples etc. So far the best I've come up with is to use grep on each individual list:
grep Apples list1.text > list1apples.txt
grep Apples list2.text > list2apples.txt
Is there an easier way of doing this so that I can extract the required text from each document to a new one without having to modify the command for each one? As I said this is simplified example, in reality each of the lists has a completely different name given by 4 random letters and numbers.
Alternatively finding a way of deleting everything from these files apart from the desire text would also work.
Any help would be greatly appreciated!
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LEARN ABOUT DEBIAN
innoextract
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)