Lex, by default, reads from standard input.
默认情况下，lex会从标准输入进行读取。
It reads data from standard input line by line.
它从标准输入逐行读取数据。
Tar xf - extracts the files from the standard input.
tarxf-从标准输入中提取文件。
LPR takes its standard input and sends it to the printer.
lpr命令将获取到的标准输入，发送到打印机处。
During a restore, ontape reads data from stdin (standard input).
在恢复过程中，ontape从stdin(标准输入)读取数据。
Many commands can accept input from a facility called standard input.
很多命令是从一个叫做标准输入的设备中接收输入信息的。
Stdin is the standard input stream, which provides input to commands.
stdin是标准输入流，为命令提供输入。
Remote execution also emulates the standard input, output, and error of the client host.
远程执行还模拟客户端主机的标准输入、输出和错误。
This is accomplished by providing data on the command line or through standard input.
这是通过向命令行提供数据或是通过标准输入实现的。
Linux provides a program called LPR that accepts standard input and sends it to the printer.
Linux系统提供了一个叫做lpr的程序，接收标准输入，然后将标准输入送到打印机处。
However, both sort and uniq require data entry or input from the standard input device (stdin).
但是sort和uniq则需要从标准输入设备(stdin)请求数据输入。
In that example we used the output from the cat command to create standard input for the tr command.
在那个例子中我们使用来自cat命令的输出为tr命令创建标准输入。
Filters take standard input and perform an operation upon it and send the results to standard output.
过滤器从标准输入处获得处理内容，然后操作得到的内容，将处理后的结果送到标准输出。
Many text processing commands (filters) can take input either from the standard input stream or from a file.
许多文本处理命令（过滤器）可以从标准输入流或从文件中获取输入。
The line up to the first % is passed to the shell, while any line(s) after the % are passed as standard input.
第一个 % 之前的一行传递给shell，这个 %之后的所有行都作为标准输入传递。
After the pipe, change to a different directory and then extract the byte stream again from the standard input.
在管道符后面，切换到另一个目录，然后从标准输入提取字节流。
By default, standard input gets its contents from the keyboard, but like standard output, it can be redirected.
默认情况下，标准输入是从键盘处获取它的内容的，不过，就像标准输出那样，标准输入也是可以被重定向的。
The bash shell lets you redirect standard input, standard output, and standard error on a Linux or UNIX system.
bashshell允许重定向Linux或UNIX系统上的标准输入、标准输出和标准错误。
It also arranges for a pipe to carry the standard output from the main service to the log process's standard input.
它还安排一个管道，把主服务的标准输出作为日志进程的标准输入。
Or, the command's output can become the standard input for another program, again using the "|" operator like this.
或者，还是使用“|”操作符，command的输出可以成为另一个程序的标准输入，如下所示。
What this means is that all standard output from our selpg process will go to the standard input of the lp process.
这意味着所有来自selpg进程的标准输出将进入lp进程的标准输入。
Sneaky attackers may start a program but do strange things to its standard input, standard output, or standard error.
不怀好意的攻击者可能启动一个程序而只是对它的标准输入、标准输出或者标准错误做一些奇怪的事情。
Perl's -p option tells it to read and process each line from standard input and print the results to standard output.
Perl的-p选项告诉它读取和处理标准输入中的每行内容，并将结果打印到标准输出。
The "-" in each case specifies that tar should use the standard output (when writing) or standard input (when reading).
“-”指定tar应该使用标准输出(在写时)或标准输入(在读时)。
There is yet another way to run a Derby script: redirect the standard input of the ij tool to read from the script file.
还有另一种方法来运行Derby脚本：重定向ij工具的标准输入以从脚本文件中读取。
The script is a filter, so it expects its input from the standard input and it writes the results on the standard output.
这段脚本是一个过滤器，因此它要从标准输入设备上获得输入数据，然后将处理结果写到标准输出设备上。
Awk can act as a filter in a pipeline or take input from the keyboard (standard input) if no file or files are specified.
awk可以在管道中作为过滤器，如果没有指定文件，它也可以从键盘(标准输入)中接收输入。
Sed takes a script of any number of commands followed by an optional input filespec; by default, it reads standard input.
sed接受包含任何数量命令的脚本，后面跟着可选的指定输入文件的选项；缺省情况下，它读取标准输入。
Sed takes a script of any number of commands followed by an optional input filespec; by default, it reads standard input.
sed接受包含任何数量命令的脚本，后面跟着可选的指定输入文件的选项；缺省情况下，它读取标准输入。
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