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help me! how to solve this question?

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Top Forums Shell Programming and Scripting help me! how to solve this question?
# 1  
Old 08-21-2009
help me! how to solve this question?
Find the first alphabetic letter from the input:
Accept a group of upper case alphabetic letters one at a time, ended with a 0, and find and display the first letter in alphabetic order. For example, input of D, G, T, S, V, G, C, K, P should result in C.
Any invalid input character (eg. #, $, 3, a, etc.) should cause an error message and be ignored.
# 2  
Old 08-21-2009
Do not post classroom or homework problems in the main forums. Homework and coursework questions can only be posted in this forum under special homework rules.

Please review the rules, which you agreed to when you registered, if you have not already done so.

More-than-likely, posting homework in the main forums has resulting in a forum infraction. If you did not post homework, please explain the company you work for and the nature of the problem you are working on.

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Thank You.

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