Check length of Shell Variable


 
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# 1  
Old 06-25-2004
Check length of Shell Variable

I am using a Korn Shell script..

I need to verify the length of a variable..
ie number=12345

I need then to check 12345 to make sure its no longer than 5 digits...

Can you help?
# 2  
Old 06-25-2004
how about wc -c
# 3  
Old 06-25-2004
The lenght (number of characters) in a variable for a variable called "varname" is
Code:
echo "length is ${#varname}"

# 4  
Old 06-25-2004
And a third way to do it is using the expr command

Code:
expr length $varname

Peace
ZB
# 5  
Old 06-27-2004
Thanks folks - Just couldnt remember how to do it...
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