由于路径名中的双正斜杠,看起来find
返回错误。如果您将它们更改为反斜杠(在 Java 字符串中加倍以转义它们),那么它会成功。
find
您可以使用类似于以下的代码检查错误输出和退出代码(成功时为 0,出错时为 1):
ProcessBuilder pb = new ProcessBuilder(
"cmd.exe",
"/C",
"find \"searchstr\" C://Workspace//inputFile.txt");
Process p = pb.start();
InputStream errorOutput = new BufferedInputStream(p.getErrorStream(), 10000);
InputStream consoleOutput = new BufferedInputStream(p.getInputStream(), 10000);
int exitCode = p.waitFor();
int ch;
System.out.println("Errors:");
while ((ch = errorOutput.read()) != -1) {
System.out.print((char) ch);
}
System.out.println("Output:");
while ((ch = consoleOutput.read()) != -1) {
System.out.print((char) ch);
}
System.out.println("Exit code: " + exitCode);