A chronological documentation test project, nothing serious, really!
Q. I need to run a program called oraMon.pl. However this program is run from cron job. It report error to stderr and normal output to stdout. How do I save stdout, stderr and both into 3 separate log files? A. It is not that hard if you know howto redirect stderr, stdout and a […]
Theory and quick reference There are 3 file descriptors, stdin, stdout and stderr (std=standard). Basically you can: redirect stdout to a file redirect stderr to a file redirect stdout to a stderr redirect stderr to a stdout redirect stderr and stdout to a file redirect stderr and stdout to stdout redirect stderr and stdout to […]
The first part, “> /dev/null” means send standard output to the ‘bit bucket” or in other words, throw it away. The second part, “2>&1” means “redirect standard error (2) to the same place as standard outout (1.)