Question

I’m calling a batch that calls another “jar” that send messages to a server and write a report in the end, the time of execution varies from day to day, and the size of the input used in the batch influences to.

I would like to monitor when the batch auto-closes so I can make my original jar to read the log…

I’m calling it like this

    Process prog = Runtime.getRuntime().exec("cmd /c start C:\\chamados\\corretorRota\\VerificarNumero.bat");

and the batch:

cd C:\chamados\corretorRota
java -jar BatchDispatcher.jar brux0043 5873 gcpn-rota.txt > resultado.txt
exit

(FYI brux0043 = server, 5873 = port gcpn-rota = input file writed previously)
(the batch keeps open util the end of the called jar)

Answer 1

You can write a log with the timestamp whenever the batch file was executed.

put this line in your batch file

echo. |time |find "current" >> log

this will then write the timestamp when the batch file was run to the log. Also, there should be a file called log before executing the batch file.

Now your java program can monitor the log and know how many times and when the batch file was executed.