learning shell display alert function

【Purpose】

       Shell print function base on err info wrn ext output level

 

【Eevironment】

       Ubuntu 16.04 bash env

 

【Procdeure】

　　Source code:

#!/bin/bash
DEST=/tmp
mkdir -p /tmp/debug
display_alert()
#--------------------------------------------------------------------------------------------------------------------------------
# Let's have unique way of displaying alerts
#--------------------------------------------------------------------------------------------------------------------------------
{
        # log function parameters to install.log
        #[[ -n $DEST ]] && echo "Displaying message: $@" >> $DEST/debug/output.log
        local tmp=""
        [[ -n $2 ]] && tmp="[\e[0;33m $2 \x1B[0m]"
        case $3 in
                err)
                echo -e "[\e[0;31m error \x1B[0m] $1 $tmp"
                ;;
                wrn)
                echo -e "[\e[0;35m warn \x1B[0m] $1 $tmp"
                ;;
                ext)
                echo -e "[\e[0;32m o.k. \x1B[0m] \e[1;32m$1\x1B[0m $tmp"
                ;;
                info)
                echo -e "[\e[0;32m o.k. \x1B[0m] $1 $tmp"
                ;;
                *)
                echo -e "[\e[0;32m .... \x1B[0m] $1 $tmp"
                ;;
        esac
}
display_alert "List of local repos" "local" "err"
display_alert "List of local repos" "local" "wrn"
display_alert "List of local repos" "local" "ext"
display_alert "List of local repos" "local" "info"
display_alert "List of local repos" "local" "other"
 

　　Test method: