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how to make case insensitive checks????

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Top Forums Shell Programming and Scripting how to make case insensitive checks????
# 1  
Old 04-30-2007
how to make case insensitive checks????
Hi,

I have tried to make the conditions similar to the below one's, perhaps, I am not sure if there are any more way's to do that????

Code:
if [[ $x = +([HELLO|hello]) ]]

echo "Whatever"
fi

# 2  
Old 04-30-2007
See if this works for you:
Code:
typeset -l varlowercase
if [ "${varlowercase}" = "hello" ]; then
  echo "Found"
fi

# 3  
Old 04-30-2007
does that mean any value that has been assigned will be converted to lower case????
of instance would it be
Code:
typeset -l var
var="HELLO"
echo $var
hello

and also, do any one of you know any good refrence material for regular expressions?????
# 4  
Old 04-30-2007
Yes, the declaration:
typeset -l varlowercase
means a variable lowercase is being declared and
every combination of letters assigned to it will be
stored in lower case.
# 5  
Old 04-30-2007
Thanks Shell Life
# 6  
Old 04-30-2007
Sorry Duplicate post
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