Question | Click to View Answer |
Assign the variable my_life to an array with the elements train, ride, and home. |
my_life=(train ride home)
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Print the first element of the following array: feelings=(sleepy tired)
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echo ${feelings[0]}
Bash arrays are zero-indexed. |
Create an array called dogs and add the value "fido" at position 100. |
dogs[100]=fido
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Print every element of the hockey_stuff array: hockey_stuff=(helmet gloves stick)
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echo ${hockey_stuff[@]}
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Find the number of elements in the junk array: junk=('crap' 'more crap' 'so much stuff')
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echo ${#junk[@]}
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Find all the indices that are used in the jump_around array: jump_around[1]='i came'
jump_around[45]='to get down'
jump_around[88]='get down'
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echo ${!jump_around[@]}
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Add the elements j and k to the end of the funny array. funny=(l o l)
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# add the elements
funny+=(j k)
# verify the elements have been added
echo ${funny[@]}
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Get the last element from the arr array: arr=(snake rat cat dog)
arr[100]=blah
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echo ${arr[@]:(-1)}
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Sort the following array: scattered=(z a x b)
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for i in ${scattered[@]}; do
echo $i
done | sort
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Delete the wu_tang array: wu_tang=(rza gza method_man)
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unset wu_tang
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