script and $1 1

[ogniemi]

a script (in ksh) can be run only with one of three allowed attributes, for example

attr1
attr2
attr3

how should test be written to check is $1 is: attr1 or attr3 or attr3?

if [ the $1 is one of allowed ]
then
...
fi

thx in advance,rm.,

 

[PHV]

case $1 in
attr[123])
echo OK;;
*)
echo BAD;;
esac

Hope This Helps, PH.
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