Bash Shell Scripting - Other Shell Variables - Part 2

Bash Shell Scripting - Other Shell Variables - Part 2

Assessment

Interactive Video

Information Technology (IT), Architecture, Performing Arts

University

Hard

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The video tutorial explains shell special variables $* and $@, demonstrating their use in scripts. It covers how these variables handle arguments, the impact of using double quotes, and introduces the Internal Field Separator (IFS) variable. The tutorial provides examples to illustrate the differences in behavior when passing arguments to scripts, emphasizing the importance of understanding these concepts for effective script development.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two special shell variables mentioned in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the difference between using $* and the at symbol (@) in shell scripting.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when you use double quotes around the $* variable?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

In what scenarios might you prefer to use the at symbol (@) over the asterisk (*)?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the purpose of the IFS variable in shell scripting.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How does changing the IFS affect the output of the script when using $*?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of passing arguments to scripts in shell scripting?

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