add integer check

This commit is contained in:
Christian Rotzoll 2019-02-23 23:50:27 +01:00
parent 3b4edf53d7
commit c46a18f89f

View File

@ -10,6 +10,13 @@ fi
portnumber=$1
# check port numer is a integer
if ! [ "$portnumber" -eq "$portnumber" ] 2> /dev/null
then
echo "FAIL - portnumber(${portnumber}) not a number"
exit 1
fi
# check port number is bigger then zero
if [ ${portnumber} -lt 1 ]; then
echo "FAIL - portnumber(${portnumber}) not above 0"