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Converting to Uppercase

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# 1  
Converting to Uppercase

I want to convert string into uppercase string. How can i do that ? Ex: Enter the user name:
read name
echo $show --- This output should be the uppercase output.

# 2  
Following may help u :

echo "hello" | tr "[a-z]" "[A-Z]"
# 3  
an alternative using 'awk'

echo "hello" | awk '{ print toupper($1) }'
# 4  
Using ksh...

read name
typeset -u show=$name
echo $show

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