I need to to free a port by running a command kill `lsof -t -i:4723` from a
node.js file my code is
var sys = require('sys')
var exec = require('child_process').exec;
var child;
child = exec("kill `lsof -t -i:4723`", function (error, stdout, stderr)
{
sys.print('stdout: ' + value);
sys.print('stderr: ' + stderr);
if (error !== null) {
console.log('exec error: ' + error);
}
});
it works fine but it is only for port 4723 and i want to take variabe say
portnumber and then use **kill `lsof -t -i:$portnumber`** instead of
**kill `lsof -t -i:4723`** and the value for the variable portnumber is
obtained from code file
How to do this ?
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