Application has simple business logic, provides input data validation and error handling. Errors caused by incorrect data input are displayed on the input page along ...

I am having some trouble. I want to redirect the stderr stream to file A and the stdout stream to file B. I have tried the following:<pre class="ip-ubbcode-code-pre ...

Redirecting Standard Output To redirect the standard output, use the > operator followed by the destination file or device. The following cat command direct the output to a file called mylog: $ cat ...

When writing PowerShell scripts, in a perfect world, we'd all just use cmdlets and functions. After all, the batch file days are behind us! Unfortunately, that's not always possible or even the best ...

If you have any experience with the Linux command line, you’ve probably used a pipe to solve tasks by combining simple programs. It’s the UNIX way. A pipe connects one program’s output stream to ...

In prior Java 101 articles, I referred to the concepts of redirection, standard input device, and standard output device. To demonstrate inputting data, several examples called System.in.read(). It ...

One of the new features in bash 4.0 is the coproc statement. The coproc statement allows you to create a co-process that is connected to the invoking shell via two pipes: one to send input to the ...

The first line writes "hello world" to the file "output", the second reads it back and writes it to standard output (normally the terminal). A "here" document is essentially a temporary, nameless file ...