Multiple Condition If statement

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# 1  
Multiple Condition If statement


I would like to create an IF statement where if a variable is equal to at least one of 2 (or more) values then the script proceeds. For example:


if [ TEST_VAR -eq /(2 -o 3 -o 7 -o 8 /) ]; then
echo success!
echo failure

I understand that the above syntax is wrong but I feel it must be close. Any help is greatly appreciated.

# 2  
case "$TEST_VAR" in
2 | 3 | 7 | 8)
     echo success
     echo failure


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