How do I redirect stderr and stdout to a log file?

How do I redirect stderr and stdout to a log file?

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.

How do I redirect stdout and stderr to a file in Windows?

The regular output is sent to Standard Out (STDOUT) and the error messages are sent to Standard Error (STDERR). When you redirect console output using the “>” symbol, you are only redirecting STDOUT. In order to redirect STDERR you have to specify “2>” for the redirection symbol.

How to redirect stdout and stderr to file?

Here is the command syntax for redirecting stderr to stdout: > out redirects redirect the stdout to samplefile.txt, and 2>&1 will redirect the stderr to the current location of stdout. If stderr is redirected to stdout first, use the below-given command to redirect the stdout to a file.

How to redirect stderr to a file in Bash?

To redirect stderr as well, you have a few choices: Redirect stdout to a file ( >out ), and then redirect stderr to stdout ( 2>&1 ): Redirect both to a file (this isn’t supported by all shells, bash and zsh support it, for example, but sh and ksh do not):

Can a standard error be redirected to a file?

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.

What does stderr mean in Linux command line?

While using nohup to put a command to run in background some of content appear in terminal. I want to save that content to a file. There are two main output streams in Linux (and other OSs), standard output (stdout) and standard error (stderr). Error messages, like the ones you show, are printed to standard error.