Raspberry Pi sysinfo function

pi_sysinfo.sh

#!/bin/bash
# Define the function
display_system_info() {
    # Set column width (adjust as needed)
    local column_width=18

    # Define a function to print data in a four-column format
    print_table() {
        local col1="$1"
        local col2="$2"
        local col3="$3"
        local col4="$4"
        printf "%-${column_width}s %-${column_width}s %-${column_width}s %s\n" "$col1" "$col2" "$col3" "$col4"
    }

    # Collect data
    mem=$(free -h | awk '/Mem:/ {print $3 "/" $2}')
    dsk=$(df -h | awk '/\/$/ {print $3 "/" $2}')
    tem="$(vcgencmd measure_temp | grep -o -E '[[:digit:]].*')"
    pow="$(vcgencmd measure_volts | sed 's/volt=//g')"
    ipa=$(hostname -I | awk '{print $1}')
    upt=$(uptime -p | sed 's/^up //')

    # Print the table with four columns
    print_table "Board temp:" "$tem" "Disk use:" "$dsk"
    print_table "IP address:" "$ipa" "Mem. use:" "$mem"
    print_table "Power cons:" "$pow" "  Uptime:" "$upt" 
}

# To use the function, call it like this:
#display_system_info

The output: