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Problem when test to see if directory exists

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# 1  
Old 09-26-2006
Problem when test to see if directory exists
Hi,

I'm writing a shell script that will create a folder if it does not exist yet. Here's the script: (this if statement is inside a while loop)

folderName="Pics"

if ! test -d folderName
then
mkdir $folderName
fi

However, after the folder Pics has been created, every time the while loop is run, it still tries to create the folder even though I have specify that I want it to be created if it does not exist yet. And also, I get a "Permission denied" message. Can anyone please help? Thanks.
# 2  
Old 09-26-2006
Code:
if ! test -d "${folderName}"

# 3  
Old 09-26-2006
Thanks for the swift reply. What about the mkdir problem? There's no error when I use mkdir from command line, but when my shell script run, it just cant create folders because of the "Permission denied" error.
# 4  
Old 08-12-2008
Just use
mkdir -p $folderName

it should not give a message even the directory exists
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