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UNIX for Beginners Questions & Answers
Sed command usage question
Post 303040840 by Vartika18 on Thursday 7th of November 2019 02:11:06 PM
11-07-2019
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for j in $(cat ${list_B})
do
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sed "s/^${j}/${to_replace_2}/p" ${entries} > ${entries}_2
mv ${entries}_2 ${entries}
done
Hi,
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LEARN ABOUT DEBIAN
hamexam
HAMEXAM(1) General Commands Manual HAMEXAM(1) NAME hamexam - Study guide for USA FCC amateur radio (ham radio) license examinations. SYNOPSIS
hamexam [option] DESCRIPTION
hamexam presents questions in random order from the selected question pool, and terminates when all questions have been answered correctly. The session may be interrupted with ^C, and resumed later. Some questions refer to diagrams. The diagrams for the selected question pool are displayed in a separate window using eog(1). Licenses are issued by the Federal Communications Commission (FCC), but examinations are administered by Volunteer Examiners. OPTIONS
If no pool is specified, usage, version, and help information is displayed. In normal usage, one of the following options should be specified: t Element 2, the Technician Class pool. This is the entry-level license. g Element 3, the General Class pool (element 2 is also required). e Element 4, the Extra Class pool (elements 2 and 3 are also required). q The question pool is selected interactively. FILES
A directory ~/.hamexam is created to hold the names of the questions which remain to be answered correctly. SEE ALSO
For more information regarding licensing, ref. http://www.arrl.org/licensing-preparation-exams For information regarding the question pools, ref. http://www.ncvec.org/ COPYRIGHT
hamexam is Copyright (c) 2011-2012 John Nogatch <jnogatch@yahoo.com>. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. BUGS
The question pools are normally good for 4 years, but are sometimes modified; ref. http://www.ncvec.org/ hamexam does not automatically update the question pools from the VEC Web site. HAMEXAM(1)