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Colored logging in bash
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#!/bin/bash | |
# Exit on error | |
set -e | |
# Logging utility | |
log() { | |
# Escape codes for colored output | |
C_GREEN="\033[32m" | |
C_NORMAL="\033[0m" | |
C_RED="\033[31m" | |
C_YELLOW="\033[33m" | |
level=$1 | |
# set the exit flag if logging error | |
if [ "$level" = "error" ]; then | |
should_exit=true | |
err_flag="1>&2" | |
else | |
should_exit=false | |
fi | |
if [ "$DOTS_QUIET" = "true" ] && [ "$level" != "error" ]; then | |
return 0 | |
fi | |
case $level in | |
debug) | |
color=$C_NORMAL | |
;; | |
error) | |
color=$C_RED | |
;; | |
info) | |
color=$C_GREEN | |
;; | |
warn) | |
color=$C_YELLOW | |
;; | |
esac | |
# On to the next argument | |
shift | |
# Output | |
echo -e "${color}[$(date +'%Y-%m-%d %H:%M:%S')] $(echo "$level" | tr '[:lower:]' '[:upper:]'):\t${*}$C_NORMAL" "$err_flag" | |
if [ "$should_exit" == "true" ]; then | |
exit 1 | |
fi | |
return 0 | |
} |
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