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Tag Archives: stdout
bash 脚本 – 输出流重定向至错误流(stderr)
在C/C++里，都有各自的方法用于向错误流写数据。如： fprintf(stderr, “Hello World\n”); cerr << “Hello World” << endl; 在bash脚本里，可以用echo “Hello World”向标准输出写入数据，可如何像标准错误流写入数据呢？同样有两种方法： echo “Hello World” >> /dev/stderr echo “Hello World” >&2