runcpp

#!/bin/sh

# A simple bash script to compile and execute cpp files during contests

usage="[USAGE]: runcpp [file]		-- compile and execute file with input from input.txt
   [OR]: runcpp clean		-- delete input.txt and a.out if they exist
   [OR]: runcpp -h | --help	-- print this help mesaage and exit"

if [ ! $# -eq 1 ]; then
	echo "Invalid usage! \n"
	echo "$usage"
	exit
fi

if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
	echo "$usage"
	exit
fi

if [ "$1" = "clean" ]; then
	if [ -e a.out ]; then
		rm a.out
	fi
	if [ -e input.txt ]; then
		rm input.txt
	fi
else
	if [ ! -e $1 ]; then
		echo "[ERROR] $1 not found."
		exit
	fi
	if [ ! -e input.txt ]; then
		echo "[ERROR] input.txt not found."
		exit
	fi
	g++ $1
	cat input.txt | ./a.out
fi