[英]Running bash script from Processing
我有一個名為lightmeter.sh的bash腳本,該腳本創建/覆蓋了一個名為lightstuff.txt的文本文檔。 這是該代碼:
#!/bin/bash
gphoto2 --get-config=lightmeter 1> lightstuff.txt
我已經開始編寫處理腳本來執行bash腳本:
void setup() {
String[] args = {"sh","","/Users/lorenzimmer/Documents/RC/Camera_control/first_scripts/lightmeter.sh"};
exec(args);
}
當我運行程序時,腳本不會執行,或者不會像從終端運行腳本那樣更新文本文件。 我究竟做錯了什么?
謝謝,
洛倫
這是我如何在處理中運行Bash腳本的示例( 此處是更完整的版本 ):
// required imports that aren't loaded by default
import java.io.BufferedReader;
import java.io.InputStreamReader;
void setup() {
String commandToRun = "./yourBashScript.sh";
// where to do it - should be full path
File workingDir = new File(sketchPath(""));
// run the script!
String returnedValues;
try {
Process p = Runtime.getRuntime().exec(commandToRun, null, workingDir);
int i = p.waitFor();
if (i == 0) {
BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));
while ( (returnedValues = stdInput.readLine ()) != null) {
println(returnedValues);
}
}
// if there are any error messages but we can still get an output, they print here
else {
BufferedReader stdErr = new BufferedReader(new InputStreamReader(p.getErrorStream()));
while ( (returnedValues = stdErr.readLine ()) != null) {
println(returnedValues);
}
}
}
// if there is any other error, let us know
catch (Exception e) {
println("Error running command!");
println(e);
// e.printStackTrace(); // a more verbose debug, if needed
}
}
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