Help with 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



























    up vote
    0
    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

























      up vote
      0
      down vote

      favorite









      up vote
      0
      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 2 mins ago









      Michael Homer

      44k6117153




      44k6117153










      asked 11 mins ago









      Joy Rocha

      61




      61

























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