Intro to Scripting 2

Intro to Scripting 2 - Bash

In a bash script, what is the keyword used to output to the terminal

echo

output

write

echo

In a bash script, to output the results of 5*5 what would be the correct syntax

echo $((5*5))

echo $(5*5)

echo ((5*5))

echo $((5)*(5))

echo $((5*5))

In bash how is a function named test declared

test() {

function test() {

def test():

def test {

test() {

When executing a bash function that accepts 3 inputs by using the following command test "word" 54 1 What is the value of $2

test() {

there is no way to know without reading the function code

In bash, what is the syntax to create a function called math with 2 parameters

math() {

math(x,y) {

def math(x,y):

function math() {

math() {

What is the syntax to create a while loop that will output the value of y as long as it is lower than 10

y=0 while [$y -lt 10]; do echo $y done

y=0 while [$y -lt 10]; do echo "y" y=y+1 done

y=0 while [$y -le 10]; do echo $y ((y++)) done

y=0 while [$y -lt 10]; do echo $y ((y++)) done

in a bash script what is a valid method of incrementing the integer i by 1

-I

i++

A bash loop uses an array called months. What is the correct syntax to create the array?

months=("Jan" "Feb" "Mar" "Apr" "May")

months=["Jan","Feb","Mar","Apr","May"]

months=[Jan,Feb,Mar,Apr,May]

months=("Jan","Feb","Mar","Apr","May")

months=("Jan" "Feb" "Mar" "Apr" "May")

A bash loop has the following command: for x in "${months[@]}"; do … What does ${months[@]} achieve

this defines the array "months" and uses the @ symbol to indicate each value of the array

This is an incorrect command and doesn’t achieve anything, bash doesn’t understand the @ symbol

this creates a new variable called @

this defines the array "months" as an array that will be added to, the @ symbol is a variable that will be used to add data to the array

this defines the array "months" and uses the @ symbol to indicate each value of the array

In bash, when creating a conditional statement with 3 conditions, what is the correct order of commands?

if <condition> elif <condition> else <condition> fi

if <condition> else <condition> fi <condition>

if <condition> elif <condition> else <condition>

if <condition> elif <condition> fi <condition>

if <condition> elif <condition> else <condition> fi

Exit

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