$ hostname
cpsweb2.cps.udayton.edu
$ ~/filecount /etc
/etc:  126 ordinary  2 executable  13 links  101 directories
$ echo $?
0
$ ~/filecount /dev
/dev:  166 ordinary  1 executable  20 links  10 directories
$ echo $?
0
$ ~/filecount /
/:  1 ordinary  0 executable  0 links  21 directories
$ echo $?
0
$ ~/filecount /etc /dev /
/etc:  126 ordinary  2 executable  13 links  101 directories
/dev:  166 ordinary  1 executable  20 links  10 directories
/:  1 ordinary  0 executable  0 links  21 directories
$ echo $?
0
$ cd /
$ ~/filecount
.:  1 ordinary  0 executable  0 links  21 directories
$ echo $?
0
$ ~/filecount -f -x -l -d
.:  1 ordinary  0 executable  0 links  21 directories
$ echo $?
0
$ ~/filecount -f -x -l -d /
/:  1 ordinary  0 executable  0 links  21 directories
$ echo $?
0
$ ~/filecount -l -d -x -f / /dev
/:  1 ordinary  0 executable  0 links  21 directories
/dev:  166 ordinary  1 executable  20 links  10 directories
$ echo $?
0
$ ~/filecount -z
/home/cps444-n1.12/filecount: Illegal option --  z
Usage: filecount [-dflx] [directory ...]
$ echo $?
1
$ ~/filecount -f / -z /dev
/:  1 ordinary  
filecount: invalid directory -z
$ echo $?
2
$ ~/filecount -x /bin
/bin:  87 executable  
$ echo $?
0
$ ~/filecount -l /usr/bin
/usr/bin:  271 links  
$ echo $?
0
$ ~/filecount -f -x /usr/sbin
/usr/sbin:  19 ordinary  317 executable  
$ echo $?
0
$ ~/filecount -f /usr/include 
/usr/include:  126 ordinary  
$ echo $?
0
$ ~/filecount -f /usr/include /usr/lib
/usr/include:  126 ordinary  
/usr/lib:  56 ordinary  
$ echo $?
0
$ ~/filecount -l
.:  0 links  
$ echo $?
0
$ ~/filecount .
.:  1 ordinary  0 executable  0 links  21 directories
$ echo $?
0
$ cd /etc
$ ~/filecount -l -d -f 
.:  126 ordinary  13 links  101 directories
$ echo $?
0
$ ~/filecount -f -x /usr/include /usr/sbin/
/usr/include:  126 ordinary  0 executable  
/usr/sbin/:  19 ordinary  317 executable  
$ echo $?
0
$ ~/filecount /lost
filecount: invalid directory /lost
$ echo $?
2
$ ~/filecount / /lost
/:  1 ordinary  0 executable  0 links  21 directories
filecount: invalid directory /lost
$ echo $?
2
$ ~/filecount /lost /
filecount: invalid directory /lost
$ echo $?
2
$ ~/filecount /usr/bin/grep 
filecount: invalid directory /usr/bin/grep
$ echo $?
2
$ ~/filecount /u*
/usr:  0 ordinary  0 executable  1 links  12 directories
$ echo $?
0
$ ~/filecount /bin
/bin:  0 ordinary  87 executable  19 links  0 directories
$ echo $?
0
$ ~/filecount /b*
/bin:  0 ordinary  87 executable  19 links  0 directories
/boot:  18 ordinary  3 executable  0 links  2 directories
$ echo $?
0
$ ~/filecount /usr/include/s*
filecount: invalid directory /usr/include/sched.h
$ echo $?
2
$ ~/filecount -z -z
/home/cps444-n1.12/filecount: Illegal option --  z
Usage: filecount [-dflx] [directory ...]
$ echo $?
1
$ ~/filecount -f -f /usr/lib
/usr/lib:  56 ordinary  
$ echo $?
0
$ ~/filecount -f  /usr/lib/ /usr/sbin/ -f
/usr/lib/:  56 ordinary  
/usr/sbin/:  19 ordinary  
filecount: invalid directory -f
$ echo $?
2
$ ~/filecount -f -x --
.:  126 ordinary  2 executable  
$ echo $?
0
$ ~/filecount -f -x -- -somedir
filecount: invalid directory -somedir
$ echo $?
2
$ ~/filecount -f -x -- / -somedir
/:  1 ordinary  0 executable  
filecount: invalid directory -somedir
$ echo $?
2