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Tutorial12: Shell Scripting - Part 2

8 bytes added, 08:57, 21 March 2021
INVESTIGATION 3: exit AND break STATEMENTS
# Confirm that you are currently located in the '''advanced''' directory.<br><br>
# Use a text editor like vi or nano to create the text file called '''exit.bash''' (eg. <span style="color:blue;font-weight:bold;font-family:courier;">vi exit.bash</span>)<br><br>
# Enter the following lines in the '''exit.bash''' shell script:<br><span style="font-family:courier;font-weight:bold;">#!/bin/bash<br><br>if [ $# -ne 1 ]<br>then<br> &nbsp; echo "USAGE: $0 [arg]" &gt;&amp;2<br>&nbsp; exit 1<br>fi<br><br>echo "The argument is: $1"</span><br><br>
# Save your editing session and exit the text editor (eg. with vi: press '''ESC''', then type ''':x''' followed by '''ENTER''').<br><br>
# '''Add execute permissions''' for this Bash shell script.<br><br>
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