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  1. #1

    until loop

    hey, lookin for some advice, I am getting the user to input a letter, A or B, I only want the user to type in A or B, so how would I make my scirpt to check if thats the input and return and error if its something else until the user types in A or B. Its a bash script btw
    many thanks
    Last edited by ppatryk; 11-22-2011 at 11:50 PM.

  2. #2
    Linux Guru Cabhan's Avatar
    Join Date
    Jan 2005
    Seattle, WA, USA
    This sounds a lot like a homework question, which are not allowed on this forum, so I am going to close this thread.

    An until loop is basically a negated while loop, so you may want to look into those.

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