How to use loops

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Here is how does the script look like



1



#!/bin/bash
# Listing the planets.

for planet in Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
do
 echo $planet # Each planet on a separate line.
done

echo; echo

for planet in "Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto"
 # All planets on same line.
 # Entire 'list' enclosed in quotes creates a single variable.
 # Why? Whitespace incorporated into the variable.
do
 echo $planet
done

echo; echo "Whoops! Pluto is no longer a planet!"

exit 0


Can anyone show me how can this be done but with a while and an until loop?






bash shell-script







share|improve this question























  • Both the while and until loop seem to be shown in the thread from 2014 that you linked.
    – Mioriin
    5 hours ago















up vote
-2
down vote

favorite












Here is how does the script look like



1



#!/bin/bash
# Listing the planets.

for planet in Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
do
 echo $planet # Each planet on a separate line.
done

echo; echo

for planet in "Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto"
 # All planets on same line.
 # Entire 'list' enclosed in quotes creates a single variable.
 # Why? Whitespace incorporated into the variable.
do
 echo $planet
done

echo; echo "Whoops! Pluto is no longer a planet!"

exit 0


Can anyone show me how can this be done but with a while and an until loop?






bash shell-script







share|improve this question























  • Both the while and until loop seem to be shown in the thread from 2014 that you linked.
    – Mioriin
    5 hours ago













up vote
-2
down vote

favorite









up vote
-2
down vote

favorite











Here is how does the script look like



1



#!/bin/bash
# Listing the planets.

for planet in Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
do
 echo $planet # Each planet on a separate line.
done

echo; echo

for planet in "Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto"
 # All planets on same line.
 # Entire 'list' enclosed in quotes creates a single variable.
 # Why? Whitespace incorporated into the variable.
do
 echo $planet
done

echo; echo "Whoops! Pluto is no longer a planet!"

exit 0


Can anyone show me how can this be done but with a while and an until loop?






bash shell-script







share|improve this question















Here is how does the script look like



1



#!/bin/bash
# Listing the planets.

for planet in Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
do
 echo $planet # Each planet on a separate line.
done

echo; echo

for planet in "Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto"
 # All planets on same line.
 # Entire 'list' enclosed in quotes creates a single variable.
 # Why? Whitespace incorporated into the variable.
do
 echo $planet
done

echo; echo "Whoops! Pluto is no longer a planet!"

exit 0


Can anyone show me how can this be done but with a while and an until loop?






bash shell-script




bash shell-script






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 4 mins ago









Rui F Ribeiro

37.8k1475120




37.8k1475120










asked 5 hours ago









Joy Rocha

31




31











  • Both the while and until loop seem to be shown in the thread from 2014 that you linked.
    – Mioriin
    5 hours ago

















  • Both the while and until loop seem to be shown in the thread from 2014 that you linked.
    – Mioriin
    5 hours ago
















Both the while and until loop seem to be shown in the thread from 2014 that you linked.
– Mioriin
5 hours ago





Both the while and until loop seem to be shown in the thread from 2014 that you linked.
– Mioriin
5 hours ago
















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