/Shell/Bash/Logging output in bash scripts

Logging output in bash scripts

#!/bin/bash

STATUSFILE=x.out
LOGFILE=x.log

### All output to screen
### Do nothing, this is the default


### All Output to one file, nothing to the screen
#exec > ${LOGFILE} 2>&1


### All output to one file and all output to the screen
#exec > >(tee ${LOGFILE}) 2>&1


### All output to one file, STDOUT to the screen
#exec > >(tee -a ${LOGFILE}) 2> >(tee -a ${LOGFILE} >/dev/null)


### All output to one file, STDERR to the screen
### Note you need both of these lines for this to work
#exec 3>&1
#exec > >(tee -a ${LOGFILE} >/dev/null) 2> >(tee -a ${LOGFILE} >&3)


### STDOUT to STATUSFILE, stderr to LOGFILE, nothing to the screen
#exec > ${STATUSFILE} 2>${LOGFILE}


### STDOUT to STATUSFILE, stderr to LOGFILE and all output to the screen
#exec > >(tee ${STATUSFILE}) 2> >(tee ${LOGFILE} >&2)


### STDOUT to STATUSFILE and screen, STDERR to LOGFILE
#exec > >(tee ${STATUSFILE}) 2>${LOGFILE}


### STDOUT to STATUSFILE, STDERR to LOGFILE and screen
#exec > ${STATUSFILE} 2> >(tee ${LOGFILE} >&2)


echo "This is a test"
ls -l sdgshgswogswghthb_this_file_will_not_exist_so_we_get_output_to_stderr_aronkjegralhfaff
ls -l ${0}

Source: stackoverflow.com

Similar codes

0 vote158 views1 answer
Soundcloud for ubuntu install command
Shell/Bash
75 votes172 views6 answers
Ubuntu install docker
Shell/Bash
1 vote163 views3 answers
Where is zshrc
Shell/Bash
-1 vote146 views1 answer
Reinstall all tables doctrine
Shell/Bash
0 vote240 views1 answer
Back4app cli tool install mac
Shell/Bash
2 votes100 views1 answer
Npm require dev
Shell/Bash
0 vote150 views9 answers
Ruby install on fedora
Shell/Bash
0 vote141 views1 answer
Zsh deno command not found
Shell/Bash
0 vote163 views3 answers
Convert a wsl 1 distro to wsl 2
Shell/Bash
7 votes176 views4 answers
Kill port linus
Shell/Bash