kattis.com Testcase Evaluator for Python

tester.sh

#!/bin/bash

## Directory Structure
# problem-folder/
# ├─ 1.in
# ├─ 1.ans
# ├─ ...
# ├─ main.py <- Your source file
# ├─ tester.sh

# > ./tester.sh


for ((i = 1 ; i <= 1000 ; i++)); do
    if [ ! -f "$i.in" ]; then
        # printf $i".in not found\n"
        exit 0
    fi
    rm "$i".test
    python main.py < $i.in > $i.test
    if cmp -s "$i".ans "$i".test; then
        printf "Testcase $i passes\n"
    else
        printf "++++++++++++++++++++++\n"
        printf "\n"
        printf "Testcase $i failed\n"
        printf "\n"
        printf "==== Your solution ===\n"
        cat "$i".test
        printf "=== Actual solution ==\n"
        cat "$i".ans
        printf "\n"
    fi
done