Bash script to get reddit user's karma. [CURL version]

#!/bin/bash

##########################
##~REDDIT KARMA GRABBER~##
## v1.2 using curl not  ##
## lynx for beter comp- ##
## -atibility. NOTE:    ##
## THIS SCRIPT WILL NOT ##
## WORK ON A NON-LINUX  ##
## OPERATING SYSTEM.    ##
##----------------------##
##~~~~~2012 xereeto~~~~~##
##########################

#checks if the script was invoked with a redditor as an argument, if not it
#asks for one.
if [ -z "$1" ]; then
    read -p "Which redditor would you like to look up?>" REDDITOR
else
    REDDITOR=$1
fi

#SUPER-HAPPY-FUNTIME-EASTER-EGG!
#yes I know it's easy to decode, but what the hell.
if [[ "${REDDITOR,,}" == `echo "eGVyZWV0bwo=" | base64 -d` ]]; then
        MESSAGE=`echo "RUFTVEVSIEVHRyEgVGhhbmtzIGZvciB1c2luZyBteSBzY3JpcHQhCg==" | base64 -d`
        echo -e "\e[1;32m"
        echo "****************************************"
        echo "${MESSAGE}"
        echo "****************************************"
        echo -e "\e[00m"
fi
#</easteregg>

#code to get the json for the redditor
I_CAN_HAZ_INFO=$(curl --silent --fail --location "http://reddit.com/user/$REDDITOR/about.json")

#check if redditor exists
IS_REAL=$(echo "$I_CAN_HAZ_INFO" | grep link_karma)
if [ -z "$IS_REAL" ]; then
    echo -e "\e[1;31mERROR:\e[00m redditor \"$REDDITOR\" not found."
    exit 1
fi

#inserts line breaks where the commas are so I can grep the list
I_CAN_HAZ_INFO=$(echo "$I_CAN_HAZ_INFO" | tr "," "\n")

#first and foremost, get the redditor's name with correct capitalization
REDDITOR=$(echo "$I_CAN_HAZ_INFO" | grep "\"name\":")
REDDITOR=${REDDITOR//\"/}
REDDITOR=${REDDITOR:7}

#gets the timestamp the account was created
REDDIT_TIME=$(echo "$I_CAN_HAZ_INFO" | grep created_utc)
REDDIT_TIME=${REDDIT_TIME:16}

#converts the timestamp to a proper date
REDDIT_TIME="$(date -ud @$REDDIT_TIME +%c)"

#gets age of the account in days
let DIFF=(`date +%s -d now`-`date +%s -d "$REDDIT_TIME"`)/86400

#self explanatory
MYD="$DIFF days"
if [ $DIFF -ge 30 ]; then
    #gets account age in months if $DIFF >= 30 days
    let DIFF=$DIFF/30
    MYD="$DIFF months"
    if [ $DIFF -ge 12 ]; then
        #gets account age in years if $DIFF >= 12 months
        let DIFF=$DIFF/12
        MYD="$DIFF years"
    fi
fi

#finds link karma
LINK_K=$(echo "$I_CAN_HAZ_INFO" | grep link_karma)
LINK_K=${LINK_K:15}

#inserts a thousands separator to make it look nice.
LINK_K=$(printf "%'d" $LINK_K)
echo
echo "$REDDITOR has:"
echo -e "   $LINK_K \e[1;31mlink karma\e[00m"

#finds comment karma
COMMENT_K=$(echo "$I_CAN_HAZ_INFO" | grep comment_karma)
COMMENT_K=${COMMENT_K:18}

#inserts a thousands separator to make it look nice.
COMMENT_K=$(printf "%'d" $COMMENT_K)
echo -e "   $COMMENT_K \e[1;36mcomment karma\e[00m"
echo -e "and has been a redditor for \e[1;33m${MYD}.\e[00m"

#searches for reddit gold.
echo
GOLD=$(echo "$I_CAN_HAZ_INFO" | grep "\"is_gold\": true")
if [ -z "$GOLD" ]; then
    echo -e "$REDDITOR \e[1;31mdoes not\e[00m have reddit gold."
else
    echo -e "$REDDITOR \e[1;32mdoes\e[00m have reddit gold."
fi

echo

#############################
## for best results, place ##
## in your PATH and call   ##
## the script "karma".     ##
#############################