Awesome

shell-logger

Logger for shell script, working on Bash and Zsh.

This includes functions of debug, info(information), notice(notification), warn(warning) and err(error). Each output is formatted with date-time and colored by each color definition.

These color codes are removed when the output is passed to a pipe or written into files.

• Use as interactive command

• Each output and color

• Traceback at error

Installation

You can use an install script on the web like:

$ curl -fsSL https://raw.github.com/rcmdnk/shell-logger/install/install.sh| sh

This will install scripts to /usr/etc and you may be asked root password.

If you want to install other directory, do like:

$ curl -fsSL https://raw.github.com/rcmdnk/shell-logger/install/install.sh|  prefix=~/usr/local/ sh

On Mac, you can install etc/shell-logger by Homebrew:

$ brew tap rcmdnk/rcmdnkpac/shell-logger

The file will be installed in $(brew --prefix)/etc (normally /usr/local/etc).

Otherwise download shell-logger and place it where you like.

Once shell-logger is installed, source it in your .bashrc or .zshrc like:

source /path/to/shell-logger

Usage

In your script, source shell-logger:

source /path/to/shell-logger

Then, you can use such info or err command in your script like:

#!/bin/bash

source /usr/local/etc/shell-logger

test_command
ret=$?
if [ ret = 0 ];then
  info Command succeeded.
else
  err Command failed!
fi

Each level has each functions:

Options

About colors, you can find the standard definitions in Standard ECMA-48 (p61, p62).

Normal are:

You can set display (letter's color) and background in the same time. For example, if you want to use red background and white front color for error output, set:

_LOGGER_ERROR_COLOR="37;41"

You can easily check colors by escseqcheck.