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Top Forums UNIX for Dummies Questions & Answers looping through file and creating seperate files Post 302575928 by frappa on Wednesday 23rd of November 2011 08:56:21 AM
Old 11-23-2011
Hi,

please look at similar post:
https://www.unix.com/shell-programmin...ple-files.html

I think you can do something like:
Code:
$ awk ' /AMC/ { print $0 >> "out1.txt" } ; /AAO/ { print $0 >> "out2.txt" } ' millionrecords.txt

so that out1.txt contains only rows with AMC, and out2 contains only rows with AAO.

see ya
fra

Last edited by frappa; 11-23-2011 at 10:01 AM.. Reason: added awk one-liner as example
This User Gave Thanks to frappa For This Post:
 

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AMC-IMPRIME(1)						       Auto Multiple Choice						    AMC-IMPRIME(1)

NAME
AMC-imprime - prints AMC multiple choice answer sheets to be distributed to the students SYNOPSIS
auto-multiple-choice imprime --sujet subject.pdf --fich-nums numbers-file.txt --data data-dir --methode method [where-to-print-arguments...] DESCRIPTION
The AMC-imprime.pl command prints selected copies from a AMC multiple choice answer sheet. What to print The following arguments describe what to print: --sujet subject.pdf sets the subject file (prepared by AMC-prepare(1)). --fich-nums numbers-file.txt gives a file where the numbers of the copies to be printed are written (one number per line). If this argument is not given, all the copies will be printed. --data data-dir gives the directory where data files are (see for example AMC-meptex(1)). The layout database in the data directory is used to know at which page of the subject file each copy begins and ends. Where to print Several printing methods are currently defined: o with "--methode CUPS", AMC-imprime.pl prints to a CUPS printer. One print job is sent for each copy, allowing for exemple to use stapling. Use the following options with this method: --imprimante printer sets the CUPS printer name to print to. --options cups-options gives CUPS options, in the opt1=value1,opt2=value2,... format. o with "--methode file", AMC-imprime.pl outputs the answer sheets to files (one for each copy). --output filename sets the filename for outputs. The '%e' sequence will be replaced by a 4-digits copy number. If filename does not contain '%e', the string '-%e.pdf' will be added at its end. o with "--methode command", AMC-imprime.pl will use a provided command for each copy. --print-command command gives the command to be used for printing. The command string will be split at each space character (even when using quotes...). The sequence '%f' will be replaced by a PDF filename (containing the copy to print), and '%e' will be replaced by the copy number. AUTHORS
Alexis Bienvenue <paamc@passoire.fr> Main author Jean Berard Translation from French Georges Khaznadar Translation from French COPYRIGHT
Copyright (C) 2008-2012 Alexis Bienvenue This document can be used according to the terms of the GNU General Public License, version 2 or later. Auto Multiple Choice 1.1.1 06/19/2012 AMC-IMPRIME(1)
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