Bash capture stderr and stdout to file

Stdin is file 0, stdout is file 1, and stderr is file 2. Redirection A very common task in batch files is sending the output of a program to a log file. Redirecting stdout and stderr to a file: As redirection is a method of capturing a program output and sending it as an input to another command or file. You can also use 1 instead of 2 so that stdout gets redirected to the 'file'. Improve this answer.

If stderr is redirected to stdout first, use the below-given command to redirect the stdout to a file. Redirecting stdout and stderr to the Same File. Create a free Team What is Teams? Learn more. Asked 11 years, 2 months ago. Active 8 months ago. Viewed 29k times. However when I want to pipe using tee should it be: find. Improve this question. Add a comment. Active Oldest Votes. Do you have any suggestions?

This way, it is easier to locate errors with the real execution by finding them in "both-file" from "error-file". I found my answer: stackoverflow. The first thing that is handled is the. To handle this the shell creates a pipe, and then forks to create 2 processes. The first connects stdout to the pipe, and the second connects stdin to the pipe. The first shell now does the redirections, left to right.

Show 2 more comments. Enim Enim 1 2 2 bronze badges. This works as long as your shell is originally yours, and you haven't performed su command on the way to get the shell. Sign up or log in Sign up using Google. Search for "shell redirection" for more details. Show 7 more comments.

Costi Ciudatu Costi Ciudatu Not sure when this operator was added but it may not be available in older versions of Bash. It does appear to be working on my machine which runs Gnu bash v3. JamesFennell You're right, I wasn't aware of that. I upvoted the accepted answer : — Costi Ciudatu.

Show 4 more comments. Laurent Legrand Laurent Legrand 1, 6 6 silver badges 6 6 bronze badges.