You probably need to chdir to the correct directory before calling the script. This way you can ensure what directory your script is “in” before calling the shell command. $old_path = getcwd(); chdir(‘/my/path/’); $output = shell_exec(‘./script.sh var1 var2’); chdir($old_path);
If you want to execute a command, and get both stderr and stdout, not “merged”, a solution would probably to use proc_open, which provides a great level of control over the command that’s being executed — including a way to pipe stdin/stdout/stderr. And here is an example : let’s consider we have this shell-script, in … Read more
You should redirect stderr to stdout. To do that, change your exec() call like this: exec(“ping -c 1 $domain_bad 2>&1”, $output, $return_var); More info about 2>&1 meaning here.
system() calls out to sh to handle your command line, so you can get wildcard expansion, etc. exec() and its friends replace the current process image with a new process image. With system(), your program continues running and you get back some status about the external command you called. With exec(), your process is obliterated. … Read more
The solution is to use the Stderr property of the Command object. This can be done like this: cmd := exec.Command(“find”, “https://stackoverflow.com/”, “-maxdepth”, “1”, “-exec”, “wc”, “-c”, “{}”, “\\”) var out bytes.Buffer var stderr bytes.Buffer cmd.Stdout = &out cmd.Stderr = &stderr err := cmd.Run() if err != nil { fmt.Println(fmt.Sprint(err) + “: ” + stderr.String()) … Read more
As others have mentioned, your commands are being run by the shell script before launching your $SHELL; there is no general way the instance of $SHELL can know what its parent ran before starting it. To get the “initial command” into the shell history, you need to feed the command keystrokes directly to the instance of … Read more
If you’re using Java 8 or later you could simply use the new waitFor with timeout: Process p = … if(!p.waitFor(1, TimeUnit.MINUTES)) { //timeout – kill the process. p.destroy(); // consider using destroyForcibly instead }
cd is a built-in shell command, you can’t set it as the command to run. You have to use: docker exec -i compassionate_mclean bash -c “cd /root/python && python myscript.py” If you want to see the output make sure to add the -i flag as shown above. In this case however, you can simply run … Read more
Good news everyone! You can now capture output from <Exec> as of .NET 4.5. Like this: <Exec … ConsoleToMSBuild=”true”> <Output TaskParameter=”ConsoleOutput” PropertyName=”OutputOfExec” /> </Exec> Simply: Add ConsoleToMsBuild=”true” to your <Exec> tag Capture the output using the ConsoleOutput parameter in an <Output> tag Finally! Documentation here
From the documentation: In order to execute a command and have it not hang your PHP script while it runs, the program you run must not output back to PHP. To do this, redirect both stdout and stderr to /dev/null, then background it. > /dev/null 2>&1 & In order to execute a command and have … Read more