What do you have to do to the script to be able to execute it? Why does the script use the read builtin the first time it accepts input from the terminal and the cat utility the second time?
What do you have to do to the script to be able to execute it? Why does the script use the read builtin the first time it accepts input from the terminal and the cat utility the second time?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The following shell script adds entries to a file named journal-file in your home directory. This script helps you keep track of phone conversations and meetings.
$ cat journal
# journal: add journal entries to the file
# $HOME/journal-file
file=$HOME/journal-file
date >> $file
echo -n "Enter name of person or group: "
read name
echo "$name" >> $file
echo >> $file
cat >> $file
echo "----------------------------------------------------" >> $file
echo >> $file
- What do you have to do to the script to be able to execute it?
- Why does the script use the read builtin the first time it accepts input from the terminal and the cat utility the second time?
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