try.sh

#!/usr/bin/env bash
#
# try.sh - demonstrate IOCCC entry 2005/giljade
#

# 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

# We don't use tee(1) here so as to show better what we're doing and to prompt
# them to view the file with less(1) rather than dump it on them all at once.
echo 1>&2
read -r -n 1 -p "Press any key to run: ./giljade > out: "
echo 1>&2
./giljade > out
echo 1>&2
echo "For this next step, make sure to keep pressing space (or hold it down) (q = quit)." 1>&2
read -r -n 1 -p "Press any key to continue: "
echo 1>&2
less -rEXFK out
echo 1>&2

echo "We've left the file 'out' for you in case you wish to open it in vi(m). If" 1>&2
echo "you do we recommend you try holding ctrl-f down in a similar way to how you held" 1>&2
echo "down space above. Of course you can open it in another editor if you wish." 1>&2
echo 1>&2

read -r -p "Do you wish to run the test suite (Y/N)? "
if [[ "$REPLY" == "y" || "$REPLY" = "Y" ]]; then
    read -r -n 1 -p "Press any key to run: make test: "
    echo 1>&2
    make test
fi