
Repaso Clase 5 y 6
Authored by Juan Caimo
Professional Development
Professional Development
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito del "shebang" en un script de Bash?
Para agregar comentarios al script
Para indicar al sistema qué intérprete usar
Para declarar variables
Para iniciar un bucle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes es la forma correcta de declarar una variable en Bash?
$variable = valor
variable: valor
variable = valor
variable=valor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se lee la entrada del usuario en un script de Bash?
get
read
input
scan
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál es la estructura correcta de un bucle for en Bash?
for (i=0; i<10; i++) { echo $i }
for i in {1..10}; do echo $i; done
for i in 1..10; echo $i
foreach $i (1..10) { echo $i }
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cómo se verifica si un número ingresado por el usuario es par o impar en un script de Bash?
if [ $num % 2 == 0 ]; then echo "Par"; else echo "Impar"; fi
if (( $num % 2 == 0 )); then echo "Par"; else echo "Impar"; fi
if [ $num % 2 -eq 0 ]; then echo "Par"; else echo "Impar"; fi
if (( $num % 2 -eq 0 )); then echo "Par"; else echo "Impar"; fi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la forma correcta de definir una función en Bash?
function nombre { comandos }
def nombre { comandos }
nombre() { comandos }
func nombre { comandos }
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cómo se suma una lista de números ingresados por el usuario hasta que el número ingresado sea 0?
sum=0; while read num; [ $num -ne 0 ]; do sum=$((sum+num)); done
sum=0; while read num; do if [ $num -eq 0 ]; then break; fi; sum=$((sum+num)); done
sum=0; while read num; [ $num -eq 0 ]; do sum=$((sum+num)); done
sum=0; while read num; do if [ $num -ne 0 ]; then sum=$((sum+num)); fi; done
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