bash script to test algos

#!/usr/bin/env bash


# example of usage: algotest C cpp;
# all tests are Ai1, Ai2, ...
# all test results are Aa1, Aa2, ...
# program is A.cpp or A.py

name=$1
ext=$2

RED='\033[0;31m'  # Red Color
GREEN='\033[0;32m'  # Green Color
NC='\033[0m'  # No Color

if [[ "$ext" == "cpp" ]]; then
    g++ $name.$ext -o $name
    prog=$name
else
    prog="${name}.py"
fi

testfiles="${name}i*"

echo $testfiles
echo

for input in `ls $testfiles`; do
    n=`echo $input | grep -o -E '[0-9]+'`
    ans=${name}a${n}
    text1=`cat $input | "./$prog" | awk 1`
    text2=`awk 1 $ans`
    if [[ $text1 == $text2 ]]; then
    printf "${GREEN}${input}${NC}\n";
    else
    printf "${RED}${input}${NC}\n"
    echo $text1
    echo $text2
    fi
    echo
done