#!/usr/bin/env bash
#
# try.sh - demonstrate IOCCC entry 2015/endoh4
#

# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
# this way allows us to have the user specify a different compiler in an easy
# way.
if [[ -z "$CC" ]]; then
    CC="cc"
fi

make CC="$CC" all >/dev/null || exit 1

# clear screen after compilation so that only the entry is shown
clear

# check if perl is installed (for later)
PERL="$(type -P perl)"

read -r -n 1 -p "Press any key to run: ./prog @: "
echo 1>&2
./prog @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @: "
echo 1>&2
./prog @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @ @: "
echo 1>&2
./prog @ @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @ @ @ @: "
echo 1>&2
./prog @ @ @ @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @ @ @ @ @: "
echo 1>&2
./prog @ @ @ @ @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @ @ @ @ @ @: "
echo 1>&2
./prog @ @ @ @ @ @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @ @ @ @ @ @ @: "
echo 1>&2
./prog @ @ @ @ @ @ @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @: "
echo 1>&2
./prog @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog @ @ @ @ @ @ @ @ @ @ @ @: "
echo 1>&2
./prog @ @ @ @ @ @ @ @ @ @ @ @
echo 1>&2

read -r -n 1 -p "Press any key to run: ./prog \"\$(< Makefile)\": "
echo 1>&2
./prog "$(< Makefile)"
echo 1>&2

if [[ -n "$PERL" ]]; then
    read -r -n 1 -p "Press any key to run: ./prog \"\$($PERL -e 'print \"@ \" x (2*3*5*7);')\": "
    echo 1>&2
    ./prog "$($PERL -e 'print "@ " x (2*3*5*7);')"
fi