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Tutorial 10 - Shell Scripting - Part 1

1 byte added, 10:18, 3 December 2021
INVESTIGATION 4: USING CONTROL FLOW STATEMENTS IN SHELL SCRIPTS
# Issue the following Linux command to test another condition:<br><span style="color:blue;font-weight:bold;font-family:courier;">test $course = "osl640"</span><br><br>
# Issue the following Linux command to view the ''exit status'' of the previously-issued '''test''' command:<br><span style="color:blue;font-weight:bold;font-family:courier;">echo $?</span><br><br>Based on the ''exit status'' value, is the result TRUE or FALSE?<br>The value is non-zero (FALSE) since UPPERCASE characters<br>are different than lowercase characters.<br><br>
# Issue the following Linux command to test another condition:<br><span style="color:blue;font-weight:bold;font-family:courier;">test $course != "osl640"</span><br><br>
# Issue a linux command to display the value of '''$?'''<br><br>What is the result? Why?<br><br>
# Issue the following Linux command to test a condition involving earlier assigned variables:<br><span style="color:blue;font-weight:bold;font-family:courier;">test $number1 > $number2</span><br><br>