#!=/bin/bash
HOME="home"
SCHOOL="school"
HOMEDIR="~/path/to/where/your/files/are/stored/at/home
SCHOOLDIR="~/path/to/where/your/files/ares/stored/at/school
FILENAME="test.c"

IF [ $0==$SCHOOL ] THEN
cd $HOMEDIR

ELIF  [ $0==$HOME ] THEN
cd $SCHOOLDIR
ELSE
echo "do not know Parameter 1"
FI;

IF [ $1!=NULL ]
FILENAME=$1

gcc -o -WALL /$FILENAME

FI;