Homework & Coursework Questions

if (test $# -ne 3)
then
  echo Usage a2.sh <testdir> <C program> <time limit>
  exit 1 # exit failure
elif (test ! -d $1) # arg1 is not a directory
then
  echo $1 is not a directory.
  exit 1 # exit failure
elif (test ! -r $1) || (test ! -x $1) # arg1 is a directory, but not readable or excutable.
then
  echo $1 is not accessible.
  exit 1 # exit failure
elif (test ! -e $2) || (test ! -r $2) #arg2 doesn't exist, or is not readable.
then
  echo $2 is not accessible.
elif(test # check if arg2 doesn't compile. I don't know this case!!!!!!!!!!!!!!)

elif (test -ne [0-9][0-9]*)
then
  echo The third argument must be an integer.
fi
fi
fi
fi
fi
fi