Execute bash script in eclipse

Question

I'm trying to figure out how to execute a simple bash script from a JAVA program inside eclipse. I have already checked some questions like Cannot run program "..../abc.exe": error=13, Permission denied and Permission denied when running shell script from java program, but still I have this error:

IOException: Cannot run program "prog" error=13, Permission denied.

I have already checked file permissions:

-rwxrwxr-x user user prog

I use this snippet to execute the script:

File file = new File(this.getClass().getClassLoader().getResource("prog").getFile());
ProcessBuilder processBuilder = new ProcessBuilder(file.getAbsolutePath());
try {
  Process process = processBuilder.start();
  process.waitFor();
} catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
} catch (InterruptedException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
}

Where is this script? It looks like you may have it inside a jar - objects in a jar are not files and you can't access them using File. — greg-449
– greg-449, Commented Nov 17, 2016 at 17:49
It is inside the resources folder of my eclipse projects. The file is a bash script which calls some jars on which I have no control. If I call it via terminal it works perfectly... — Antonio La Marra
– Antonio La Marra, Commented Nov 17, 2016 at 17:52

ccarton · Accepted Answer · 2016-11-17 19:00:20Z

2

When invoking bash scripts from java you must specify '/bin/bash' as the executable and pass your script path as an argument.

answered Nov 17, 2016 at 19:00

ccarton

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1 Comment

Antonio La Marra Over a year ago

I tried in the following manner: 'ProcessBuilder processBuilder = new ProcessBuilder("/bin/bash", file.getAbsolutePath());' and the script gets executed. Thanks for the help.

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