Error writing output file 写输出文件错误
error creating file output 创建文件输出错误 ; 错误创建文件输出
Error r writing output file 写输出文件错误
ERROR IN OPENING OUTPUT FILE 打开输出文件失
If you want to combine error and standard output into a single file, use numbered redirection (see Listing 4).
如果希望将错误或标准输出组合为单个文件，请使用编号重定向(请参见清单4)。
As a bit of helpful trivia, each application is initially opened with three file descriptors, 0 through 2, for the standard input, output, and error streams, respectively.
有一点不是很重要但却很有帮助，初始打开每个应用程序时，都具有三个文件描述符，从0到2，分别表示标准输入、输出和错误流。
Ideally, the string of characters should have a substring such as error or something similar (see the statement in bold blue), which will allow the tester to quickly find the error in the output file.
较理想的做法是，字符串有一个如error或与之相似的子串(见蓝色粗体的语句)，这个子串允许测试者很快地在输出文件中查找到错误。
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