Created
July 30, 2012 22:43
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Prints the triforce
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#!/usr/bin/env bash | |
# | |
# Triforce | |
# By: Aaron | |
# Date: July 30, 2012 | |
# | |
# This script will only accept one argument that should be a number greater than or equal to 11. | |
# It will print a triforce symbol with the base being as wide as the nearest odd number to the one provided. | |
# | |
# Screenshot: http://newroman.net/permalink/triforce.png | |
# | |
if [ $# != 1 ] || [ $1 -lt 11 ] | |
then | |
printf "This script can only accept one argument. That should be a number that is greater than or equal to 11\n" | |
exit 1 | |
fi | |
if [ `expr $1 % 2` -eq 0 ] | |
then | |
base=`expr $1 - 1` | |
else | |
base=$1 | |
fi | |
check=`expr $base - 1` | |
check=`expr $base / 2` | |
if [ `expr $check % 2` -eq 0 ] | |
then | |
base=`expr $base + 2` | |
fi | |
ospaces=`expr $(($base - 1)) / 2` | |
tbase=$ospaces | |
stars=-1 | |
counter=0 | |
tlimit=`expr $(($tbase + 1)) / 2` | |
while [ $counter -lt $tlimit ] | |
do | |
spacecounter=0 | |
while [ $spacecounter -lt $ospaces ] | |
do | |
printf " " | |
spacecounter=`expr $spacecounter + 1` | |
done | |
starcounter=0 | |
stars=`expr $stars + 2` | |
while [ $starcounter -lt $stars ] | |
do | |
printf "*" | |
starcounter=`expr $starcounter + 1` | |
done | |
printf "\n" | |
counter=`expr $counter + 1` | |
ospaces=`expr $ospaces - 1` | |
ispaces=$stars | |
done | |
stars=-1 | |
while [ $ospaces -ge 0 ] && [ $ispaces -ge 1 ] | |
do | |
spacecounter=0 | |
while [ $spacecounter -lt $ospaces ] | |
do | |
printf " " | |
spacecounter=`expr $spacecounter + 1` | |
done | |
ospaces=`expr $ospaces - 1` | |
stars=`expr $stars + 2` | |
starcounter=0 | |
while [ $starcounter -lt $stars ] | |
do | |
printf "*" | |
starcounter=`expr $starcounter + 1` | |
done | |
spacecounter=0 | |
while [ $spacecounter -lt $ispaces ] | |
do | |
printf " " | |
spacecounter=`expr $spacecounter + 1` | |
done | |
ispaces=`expr $ispaces - 2` | |
starcounter=0 | |
while [ $starcounter -lt $stars ] | |
do | |
printf "*" | |
starcounter=`expr $starcounter + 1` | |
done | |
printf "\n" | |
done |
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