QoL bash configs. :)

message.conf

#!/bin/bash

# To use this, clone this file and add following line at the end of your .bashrc
# `eval "$(cat PATH_TO_THIS_FILE)"`

# Function to get and display IP address if it exists
get_ip() {
    local interface="$1"
    local ip_address=$(ip addr show "$interface" | awk '/inet /{print $2}' | cut -d'/' -f1)

    if [ -n "$ip_address" ]; then
        echo $ip_address
    else
        echo Unknown
    fi
}

# Gets width of the console
console_width=$(tput cols)

# prints a line with desired separator
print_separator() {
    local char="${1:- }"
    local line=""
    for ((i = 0; i < $console_width; i++)); do
        line+=$char
    done
    echo $line
}

# Print a line with message text, and add appropriate padding
print_line() {
    local message="$1"
    local line="##  $message"
    local line_length=$(expr length "$line")
    local space_count=$((console_width - 4 - line_length))

    if [ $line_length -lt $console_width ]; then
        temp=""
        for ((i = 0 ; i < $space_count ; i++ )); do
            temp="$temp "
        done
        line="$line$temp  ##"
        echo "$line"
    else 
        line+="##"
    fi
}

# Welcome Message
print_separator "#"
print_line "Hello, $(whoami)"
print_line
print_line "Local IP Address"
print_line "-- Ethernet: $(get_ip "enp3s0")"
print_line "-- Wireless: $(get_ip "wlo1")"
print_line "Public IP  : $(wget -O - -q https://checkip.amazonaws.com)"
print_line
print_line "Login time: $(date)" 
print_separator "#"


# Remove useless commands. :)
alias clear='echo "Dont use Clear, use Ctrl+l instead"'