Show github contribution graph on terminal

contribution.sh

#!  /usr/local/bin/bash

MYGITHUB=johngrib
RAW=/tmp/$MYGITHUB-github
TABLE=/tmp/$MYGITHUB-github-table
COLORS=/tmp/$MYGITHUB-github-colors

curl -s https://github.com/$MYGITHUB/ > $RAW

TITLE=`cat /tmp/johngrib-github | pcregrep -M '[0-9,]+ contributions\s*\n\s*in the last year'`
echo github.com/$MYGITHUB
echo $TITLE

cat $RAW \
    | egrep '<rect class="day"[^>]+>' \
    | sed -E 's/.*x="(-?[0-9]+)".*y="([0-9]+)".*(#[a-f0-9]+).*data-count="([0-9]+)".*data-date="([^"]+)".*/\2 level \3 count \4 \5/' > $TABLE

LV=0
for color in `cat $RAW | pcregrep -M 'Less.*(\n|.)*More' | egrep -o '#[a-f0-9]+'`; do
    sed -i.bak 's/'"$color"'/'"$LV"'/' "$TABLE"
    LV=$(( $LV + 1 ))
done

COLORS=(238 148 71 34 22)

for row in 0 10 20 30 40 50 60; do
    for level in `egrep "^$row" $TABLE | awk '{print $3}'`; do
        COLOR=${COLORS[$level]}
        printf "\e[48;5;%dm  " $COLOR $LEVEL;
        printf '\e[0m';
    done
    printf "\n"
done

exit

재미있는 프로그램 감사합니다.
우분투에서 COLORS=(238 148 71 34 22) 부분에
Syntax error: "(" unexpected 에러가 뜹니다.