neilhwatson · August 29, 2019 01:29
diff --git a/foo.sh b/foo.sh
 #!/bin/bash -x

 port='123:567'
 port_regex="([0-9]+):([0-9]+)"

 echo what to change ports $port

 if [[ $port =~ $port_regex ]]
 then
   from=${BASH_REMATCH[1]}
   to=${BASH_REMATCH[2]}

   echo changing port $from to $to
 fi
	#!/bin/bash -x

	port='123:567'
	port_regex="([0-9]+):([0-9]+)"

	echo what to change ports $port

	if [[ $port =~ $port_regex ]]
	then
	from=${BASH_REMATCH[1]}
	to=${BASH_REMATCH[2]}

	echo changing port $from to $to
	fi