IF statement help

[Oliver Marshall]

Hi chaps,

Can you help me with an if statement?

I have the following which checks for the existence of a folder ($1) in two locations ($folder1_source and $folder2_source). First it checks in the $folder1_source location then in the $ folder2_source location. If it finds it in neither then the $folder_source variable remains empty and the script quits.

****************
folder_source=""
if [ -d /$folder1_source/$1 ]; then
                folder_source=1
elif [ -d /$folder2_source/$1 ]; then
                folder_source=2
elif [ $folder_source="" ]; then
    exit
fi
*****************

I want to add one more check which is that if the directory specified by the $1 variable is found in BOTH the /$folder1_source AND /$folder2_source locations then I want the script to fail.

Whats the best way of writing that last elif statement?

Olly

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