stderr Archives - IT Nursery

Piping both stdout and stderr in bash?

It seems that newer versions of bash have the &> operator, which (if I understand correctly), redirects both stdout and stderr to a … Read more

Let’s say I have a script like the following: useless.sh echo “This Is Error” 1>&2 echo “This Is Output” And I have another … Read more

I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a … Read more

This question already has answers here: How to redirect and append both standard output and standard error to a file with Bash (9 … Read more

This question already has answers here: How to redirect and append both standard output and standard error to a file with Bash (9 … Read more

I have a program that writes information to stdout and stderr, and I need to process the stderr with grep, leaving stdout aside. … Read more

To redirect standard output to a truncated file in Bash, I know to use: cmd > file.txt To redirect standard output in Bash, … Read more

There are several ways to write to stderr: # Note: this first one does not work in Python 3 print >> sys.stderr, “spam” … Read more