alpahbetic input

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04-19-2008

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alpahbetic input

how can i accept a group of lower case alphabetic input one at a time , ended with 0 and find and display the first letter in alphabetic order. example, input or d f g c should result in c
thanks

christine33990

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04-20-2008

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Sounds like homework. Homework is not allowed on the forums.

Code:

letter=" "
while [[ read letter  && letter != '0' ]]
do
     echo $letter | tr -s '[:upper:]'  '[:lower:]'
done | sort | head -1

jim mcnamara

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