How to output both stderr and stdout in Bash?
The first statement, exec 3>&1, assigns file handle 3 to the current stdout (whatever that might be). Then, ./test 2>&1 1>&3 | tee log pipes stderr to the tee command while sending stdout to file handle 3.
How to get both stdout and stderr to go to the terminal?
Depending on the shell you use, you first have to redirect stderr to stdout using In csh, there is a built-in command called “script” that will capture everything that goes to the screen to a file. You start it by typing “script”, then doing whatever it is you want to capture, then hit control-D to close the script file.
How to log both stdout and stderr to a file?
This only sends the standard output and not the standard error which appears on the terminal. Can I log both the stderr and stdout logged to a file? Please use command 2>file Here 2 stands for file descriptor of stderr. You can also use 1 instead of 2 so that stdout gets redirected to the ‘file’
Is there a way to redirect stderr to stdout?
EDIT: Redirecting STDERR to STDOUT and piping the result to tee works, but it depends on the users remembering to redirect and pipe the output. I want the logging to be fool-proof and automatic (which is why I’d like to be able to embed the solution into the script itself.)
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):
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.