invaders/setsize.sh

#!/bin/bash

DEFAULT_R=30
DEFAULT_C=60
R=0
C=0
INPUT_FILE=definitions.hpp

trap "rm $INPUT_FILE.tmp 2> /dev/null; exit -1" SIGINT SIGTERM

if [[ $1 == "default" ]]; then
	sed s/"#define R [0-9]*"/"#define R $DEFAULT_R"/ <$INPUT_FILE >$INPUT_FILE.tmp
	sed s/"#define C [0-9]*"/"#define C $DEFAULT_C"/ <$INPUT_FILE.tmp >$INPUT_FILE
	rm $INPUT_FILE.tmp
	make clean
	make -j4
	exit 0
elif [[ $# -gt 0 ]]; then echo Usage: $0 "[default]"; exit 1
else

echo Insert new Row number \(5-120\)
until [[ $R -ge 5 && $R -le 120 ]]; do
	read R
	if [[ $R -lt 5 || $R -gt 120 ]]; then echo Invalid size.; fi
	echo New R will be $R
done

echo Insert new Column number \(5-120\)
until [[ $C -ge 5 && $C -le 120 ]]; do
	read C
	if [[ $C -lt 5 || $C -gt 120 ]]; then echo Invalid size.; fi
	echo New C will be $C
done

sed s/"#define R [0-9]*"/"#define R $R"/ <$INPUT_FILE >$INPUT_FILE.tmp
sed s/"#define C [0-9]*"/"#define C $C"/ <$INPUT_FILE.tmp >$INPUT_FILE

rm $INPUT_FILE.tmp

make clean
make -j4

fi