Users' questions

How can I redirect both stderr and stdin at once?

How can I redirect both stderr and stdin at once?

To redirect stderr as well, you have a few choices:

  1. Redirect stdout to one file and stderr to another file: command > out 2>error.
  2. Redirect stdout to a file ( >out ), and then redirect stderr to stdout ( 2>&1 ): command >out 2>&1.

Can STDOUT and stderr be used at the same time?

The only other combination we can do is to send both stdout and stderr to the same file.

How to redirect stdout and stderr to file?

Standard error (stderr): Standard error or stderr is similar to standard input and output, but it is utilized for storing error messages. The standard error can be redirected to the command line or a file using a terminal. If you want to record or store messages in a separate log file or hide the error messages, redirecting stderr will help you.

Can you write both stderr and stdout at the same time?

You can write both stderr and stdout to two separate files: To suppress the error messages from being displayed on the screen, redirect stderr to /dev/null: When saving the program’s output to a file, it is quite common to redirect stderr to stdout so that you can have everything in a single file.

How to redirect errors from stderr to Nul?

To redirect (only) the error message to NUL, use the following command: Or, you can redirect the output to one place, and the errors to another. You can print the errors and standard output to a single file by using the “&1” command to redirect the output for STDERR to STDOUT and then sending the output from STDOUT to a file:

What does stderr and stdout mean in Bash?

1 – stdout, the standard output stream. 2 – stderr, the standard error stream. A file descriptor is just a number representing an open file. The input stream provides information to the program, generally by typing in the keyboard.