Execute Batch File From Java
The exec method is not static so you first need an instance of the Runtime object. Furthermore you can just directly call the batch file from the exec method. The following should work: Process exec = Runtime.getRuntime.exec('D: aaa.bat'); Of course you have to surround it with a try/catch block. Regards, Ladislav. Execute batch file with args in java. Ask Question Asked 2 years, 11 months ago. Active 2 years, 11 months ago. Viewed 5k times 0. I am trying to run batch file using java command. I have following code. Runtime.getRuntime.exec('cmd /c start C: temp Sept2016 22Sept filecompare.bat'); I have batch file named filecompare.bat as below.
Is it possible to include a set of instructions into a Windows batch file so that when opened, it will execute the byte code file for a Java program? I do not know if batch files need the compiled.class file, or if they use the source code, but I need it to be able to run it as it would in its development environment (without opening the IDE though). Actually.BAT file is in the same folder where the test.class is. It executes the.BAT file, but only first command from.BAT file and not all the commands. That's the real problem. Thanks, Manoj. Run batch file from Java code. They need to execute a batch file in a specific location – MadProgrammer Sep 30 '13 at. How to execute a batch file via Java.
i come back with my previous problem with executing .bat file from java program.
When i execute my java code, i don't understand why it's looking for my .bat file in the project directory of my Eclipse.
I declare clearly the path like : 'cmd.exe', '/C', 'Start', 'C:Filebatfile.bat'If someone could explain me clearly, please.Thank you very much!
i use win xp and Eclipse Helios.
here is my code:
user618111user6181114 Answers
The process cmd.exe (picked from your PATH environment variable) is created with the current working directory the same as in the parent process (eclipse.exe = java). That is most likely c:eclipse or the workspace dir.
If it cant find the file (C:Filebatfile.bat) it tries the current working dir. If you run this code using Run As Java try to change the working directory there. Also make sure the BAT file does exist.
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lzaplzapTry this instead:
ComSpec is often set to the path of cmd.exe. If not, use the full (expected path). You could also look for it in %SystemRoot%system32. Or even %path%. But just checking ComSpec is better than using cmd.exe with nothing else by default.
Batch File Samples
As someone else pointed out, your default working directory when running from Eclipse is usually the Eclipse project folder.
It's generally good practice not to rely on the working folder being anything useful. Instead specify paths to anything needed, or search the path (if the app doesn't do so for you).
user1676075user1676075Remove Start from the command - it's unnecessary - and try:
Execute Batch File From Java File
