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Some small additions #4

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Some small additions #4

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307c61d
Initial update
mheene Apr 15, 2021
6aa3f97
Initial update
mheene Apr 15, 2021
8f821f4
README.md updated
mheene Apr 16, 2021
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2 changes: 2 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
*~
log.txt
4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -4,9 +4,9 @@ An *extremely* lightweight logging framework for BASH scripts.
Developed and tested on MacOS. This should work on any BASH platform.

## Log levels
It supports four levels, default being `INFO`.
It supports five levels, default being `INFO`.

ERROR > WARN > INFO > DEBUG
FATAL > ERROR > WARN > INFO > DEBUG


## Usage
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3 changes: 3 additions & 0 deletions demo.sh
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Expand Up @@ -14,3 +14,6 @@ tlog error "Something terrible has happened"

tlog debug "end of script"
tlog info "Script completed, go home"

tlog fatal "Fatal Warning"
tlog xyz "Wrong log level"
26 changes: 21 additions & 5 deletions tinylogger.bash
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Expand Up @@ -22,17 +22,33 @@
# THE SOFTWARE.
#
# Author: Nagarjuna Kumarappan <[email protected]>
#
# 15.04.2021
#
# Changes:
# - Log Level fatal added
# - Log output redirected to log file
# - shellcheck recommendations implemented
# - Default catch added
#
# Author: Markus Heene <[email protected]>

# defaults
LOGGER_FMT=${LOGGER_FMT:="%Y-%m-%d %H:%M:%S"}
LOGGER_LVL=${LOGGER_LVL:="info"}
# Log messages with the priority from at least will be printed
LOGGER_LVL=${LOGGER_LVL:="info"}
LOG_FILE="log.txt"

function tlog {
local action
action=$1 && shift
case $action in
debug) [[ $LOGGER_LVL =~ debug ]] && echo "$( date "+${LOGGER_FMT}" ) - DEBUG - $@" 1>&2 ;;
info) [[ $LOGGER_LVL =~ debug|info ]] && echo "$( date "+${LOGGER_FMT}" ) - INFO - $@" 1>&2 ;;
warn) [[ $LOGGER_LVL =~ debug|info|warn ]] && echo "$( date "+${LOGGER_FMT}" ) - WARN - $@" 1>&2 ;;
error) [[ ! $LOGGER_LVL =~ none ]] && echo "$( date "+${LOGGER_FMT}" ) - ERROR - $@" 1>&2 ;;
debug) [[ $LOGGER_LVL =~ debug ]] && echo "$( date "+${LOGGER_FMT}" ) - DEBUG - $*" >>"${LOG_FILE}" ;;
info) [[ $LOGGER_LVL =~ debug|info ]] && echo "$( date "+${LOGGER_FMT}" ) - INFO - $*" >>"${LOG_FILE}" ;;
warn) [[ $LOGGER_LVL =~ debug|info|warn ]] && echo "$( date "+${LOGGER_FMT}" ) - WARN - $*" >>"${LOG_FILE}" ;;
error) [[ ! $LOGGER_LVL =~ debug|info|warn|error ]] && echo "$( date "+${LOGGER_FMT}" ) - ERROR - $*" | tee -a "${LOG_FILE}" 1>&2 ;;
fatal) [[ ! $LOGGER_LVL =~ none ]] && echo "$( date "+${LOGGER_FMT}" ) - FATAL - $*" | tee -a "${LOG_FILE}" 1>&2 ;;
*) echo "$( date "+${LOGGER_FMT}" ) - FATAL - $action unknown Loglevel" | tee -a "${LOG_FILE}" 1>&2 ;;

esac
true; }