$ hostname
cpsrhc1.cps.udayton.edu
$ wc
test
me
^D      2       2       8
$ echo $?
0
$ wc -c -l
test
me
^D      2       8
$ echo $?
0
$ wc
test
me

too
^D      4       3      13
$ echo $?
0
$ wc
hello
world
^D      2       2      12
$ echo $?
0
$ wc -l
hello
world
^D2
$ wc < /etc/profile
 54 146 937
$ echo $?
0
$ wc -l < /etc/profile
54
$ echo $?
0
$ wc -w < /etc/profile
146
$ echo $?
0
$ wc -c < /etc/profile
937
$ echo $?
0
$ wc -cl < /etc/profile
 54 937
$ echo $?
0
$ wc -lc < /etc/profile
 54 937
$ echo $?
0
$ wc -cw < /etc/profile
146 937
$ echo $?
0
$ wc -wc < /etc/profile
146 937
$ echo $?
0
$ wc -lw < /etc/profile
 54 146
$ echo $?
0
$ wc -wl < /etc/profile
 54 146
$ echo $?
0
$ wc -wlc < /etc/profile
 54 146 937
$ echo $?
0
$ wc -wcl < /etc/profile
 54 146 937
$ echo $?
0
$ wc -lwc < /etc/profile
 54 146 937
$ echo $?
0
$ wc -lcw < /etc/profile
 54 146 937
$ echo $?
0
$ wc -clw < /etc/profile
 54 146 937
$ echo $?
0
$ wc -cwl < /etc/profile
 54 146 937
$ echo $?
0
$ wc -w -l -c < /etc/profile
 54 146 937
$ echo $?
0
$ wc -w -c -l < /etc/profile
 54 146 937
$ echo $?
0
$ wc -l -w -c <   /etc/profile
 54 146 937
$ echo $?
0
$ wc -l -c -w < /etc/profile
 54 146 937
$ echo $?
0
$ wc -c -l -w < /etc/profile
 54 146 937
$ echo $?
0
$ wc -c -w -l < /etc/profile
 54 146 937
$ echo $?
0
$ wc -c -wl < /etc/profile
 54 146 937
$ echo $?
0
$ wc -c -lw < /etc/profile
 54 146 937
$ echo $?
0
$ wc -w -cl < /etc/profile
 54 146 937
$ echo $?
0
$ wc -w -lc < /etc/profile
 54 146 937
$ echo $?
0
$ wc -l -wc < /etc/profile
 54 146 937
$ echo $?
0
$ wc -l -cw < /etc/profile
 54 146 937
$ echo $?
0
$ wc -cw -l < /etc/profile
 54 146 937
$ echo $?
0
$ wc -wc -l < /etc/profile
 54 146 937
$ echo $?
0
$ wc -lc -w < /etc/profile
 54 146 937
$ echo $?
0
$ wc -cl -w < /etc/profile
 54 146 937
$ echo $?
0
$ wc -lw -c </etc/profile
 54 146 937
$ echo $?
0
$ wc -wl -c < /etc/profile
 54 146 937
$ echo $?
0
$ wc /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -l /etc/profile
54 /etc/profile
$ echo $?
0
$ wc -w /etc/profile
146 /etc/profile
$ echo $?
0
$ wc -c /etc/profile
937 /etc/profile
$ echo $?
0
$ wc -cl /etc/profile
 54 937 /etc/profile
$ echo $?
0
$ wc -lc /etc/profile
 54 937 /etc/profile
$ echo $?
0
$ wc -cw /etc/profile
146 937 /etc/profile
$ echo $?
0
$ wc -wc /etc/profile
146 937 /etc/profile
$ echo $?
0
$ wc -lw /etc/profile
 54 146 /etc/profile
$ echo $?
0
$ wc -wl /etc/profile
 54 146 /etc/profile
$ echo $?
0
$ wc -wlc /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -wcl /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -lwc /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -lcw /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -clw /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -cwl /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -w -l -c /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -w -c -l /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -l -w -c /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -l -c -w /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -c -l -w /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -c -w -l /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -c -wl /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -c -lw /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -w -cl /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -w -lc /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -l -wc /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -l -cw /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -cw -l /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -wc -l /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -lc -w /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -cl -w /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -lw -c /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc -wl -c /etc/profile
 54 146 937 /etc/profile
$ echo $?
0
$ wc /etc/profile  /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -l /etc/profile /usr/include/stdio.h
   54 /etc/profile
  848 /usr/include/stdio.h
  902 total
$ echo $?
0
$ wc -w /etc/profile /usr/include/stdio.h
  146 /etc/profile
 4014 /usr/include/stdio.h
 4160 total
$ echo $?
0
$ wc -c /etc/profile /usr/include/stdio.h
  937 /etc/profile
28341 /usr/include/stdio.h
29278 total
$ echo $?
0
$ wc -cl /etc/profile /usr/include/stdio.h
   54   937 /etc/profile
  848 28341 /usr/include/stdio.h
  902 29278 total
$ echo $?
0
$ wc -lc /etc/profile /usr/include/stdio.h
   54   937 /etc/profile
  848 28341 /usr/include/stdio.h
  902 29278 total
$ echo $?
0
$ wc -cw /etc/profile /usr/include/stdio.h
  146   937 /etc/profile
 4014 28341 /usr/include/stdio.h
 4160 29278 total
$ echo $?
0
$ wc -wc /etc/profile /usr/include/stdio.h
  146   937 /etc/profile
 4014 28341 /usr/include/stdio.h
 4160 29278 total
$ echo $?
0
$ wc -lw /etc/profile /usr/include/stdio.h
   54   146 /etc/profile
  848  4014 /usr/include/stdio.h
  902  4160 total
$ echo $?
0
$ wc -wl /etc/profile /usr/include/stdio.h
   54   146 /etc/profile
  848  4014 /usr/include/stdio.h
  902  4160 total
$ echo $?
0
$ wc -wlc /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -wcl /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -lwc /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -lcw /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -clw /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -cwl /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -w -l -c /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -w -c -l /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -l -w -c /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -l -c -w /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -c -l -w /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -c -w -l /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -c -wl /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -c -lw /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -w -cl /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -w -lc /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -l -wc /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -l -cw /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -cw -l /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -wc -l /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -lc -w /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -cl -w /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -lw -c /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc -wl -c /etc/profile /usr/include/stdio.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  902  4160 29278 total
$ echo $?
0
$ wc /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -l /etc/profile /usr/include/stdio.h /usr/include/string.h
   54 /etc/profile
  848 /usr/include/stdio.h
  428 /usr/include/string.h
 1330 total
$ echo $?
0
$ wc -w /etc/profile /usr/include/stdio.h /usr/include/string.h
  146 /etc/profile
 4014 /usr/include/stdio.h
 2353 /usr/include/string.h
 6513 total
$ echo $?
0
$ wc -c /etc/profile /usr/include/stdio.h /usr/include/string.h
  937 /etc/profile
28341 /usr/include/stdio.h
16281 /usr/include/string.h
45559 total
$ echo $?
0
$ wc -cl /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   937 /etc/profile
  848 28341 /usr/include/stdio.h
  428 16281 /usr/include/string.h
 1330 45559 total
$ echo $?
0
$ wc -lc /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   937 /etc/profile
  848 28341 /usr/include/stdio.h
  428 16281 /usr/include/string.h
 1330 45559 total
$ echo $?
0
$ wc -cw /etc/profile /usr/include/stdio.h /usr/include/string.h
  146   937 /etc/profile
 4014 28341 /usr/include/stdio.h
 2353 16281 /usr/include/string.h
 6513 45559 total
$ echo $?
0
$ wc -wc /etc/profile /usr/include/stdio.h /usr/include/string.h
  146   937 /etc/profile
 4014 28341 /usr/include/stdio.h
 2353 16281 /usr/include/string.h
 6513 45559 total
$ echo $?
0
$ wc -lw /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146 /etc/profile
  848  4014 /usr/include/stdio.h
  428  2353 /usr/include/string.h
 1330  6513 total
$ echo $?
0
$ wc -wl /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146 /etc/profile
  848  4014 /usr/include/stdio.h
  428  2353 /usr/include/string.h
 1330  6513 total
$ echo $?
0
$ wc -wlc /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -wcl /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -lwc /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -lcw /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -clw /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -cwl /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -w -l -c /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -w -c -l /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -l -w -c /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -l -c -w /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -c -l -w /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -c -w -l /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -c -wl /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -c -lw /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -w -cl /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -w -lc /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -l -wc /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc -l -cw /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc  -cw -l /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc  -wc -l /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc  -lc -w /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc  -cl -w /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc  -lw -c /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ wc  -wl -c /etc/profile /usr/include/stdio.h /usr/include/string.h
   54   146   937 /etc/profile
  848  4014 28341 /usr/include/stdio.h
  428  2353 16281 /usr/include/string.h
 1330  6513 45559 total
$ echo $?
0
$ #invalid option
$ wc -q /etc/profile
wc: invalid option -- q
Try `wc --help' for more information.
$ echo $?
1
$ wc -8 /etc/profile
wc: invalid option -- 8
Try `wc --help' for more information.
$ echo $?
1
$ wc -q < /etc/profile
wc: invalid option -- q
Try `wc --help' for more information.
$ echo $?
1
$ wc -8  < /etc/profile
wc: invalid option -- 8
Try `wc --help' for more information.
$ echo $?
1
$ #invalid options
$ wc -q -a /etc/profile
wc: invalid option -- q
Try `wc --help' for more information.
$ echo $?
1
$ wc -z-x /etc/profile
wc: invalid option -- z
Try `wc --help' for more information.
$ echo $?
1
$ wc -q -a  </etc/profile
wc: invalid option -- q
Try `wc --help' for more information.
$ echo $?
1
$ wc -z -x < /etc/profile
wc: invalid option -- z
Try `wc --help' for more information.
$ echo $?
1
$ #invalid file
$ wc /etc/nothere
wc: /etc/nothere: No such file or directory
$ echo $?
1
$ wc </etc/nothere
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #invalid files
$ wc /etc/nothere /etc/notthere
wc: /etc/nothere: No such file or directory
wc: /etc/notthere: No such file or directory
0 0 0 total
$ echo $?
1
$ #singular, both invalid
$ #invalid option, invalid file
$ wc -r /etc/nothere
wc: invalid option -- r
Try `wc --help' for more information.
$ echo $?
1
$ wc -r < /etc/nothere
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #invalid file, invalid option
$ wc /etc/nothere -r
wc: invalid option -- r
Try `wc --help' for more information.
$ echo $?
1
$ wc < /etc/nothere -r
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #singular, both valid
$ #valid option, valid file
$ wc -w /etc/profile
146 /etc/profile
$ echo $?
0
$ wc -w < /etc/nothere
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #valid file, valid option
$ wc /etc/profile -w
146 /etc/profile
$ echo $?
0
$ wc -w < /etc/nothere -w
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #plural, both invalid
$ #invalid options, invalid files
$ wc -r -y /etc/nothere /etc/notthere
wc: invalid option -- r
Try `wc --help' for more information.
$ echo $?
1
$ wc -r -y < /etc/nothere /etc/notthere
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #invalid files, invalid options
$ wc /etc/nothere /etc/notthere -r -y
wc: invalid option -- r
Try `wc --help' for more information.
$ echo $?
1
$ wc < /etc/nothere /etc/notthere -r -y
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #plural, both valid
$ #valid options, valid files
$ wc -w -c /etc/profile /usr/include/stdio.h
  146   937 /etc/profile
 4014 28341 /usr/include/stdio.h
 4160 29278 total
$ echo $?
0
$ #valid files, valid options
$ wc /etc/profile /usr/include/stdio.h -w -c
  146   937 /etc/profile
 4014 28341 /usr/include/stdio.h
 4160 29278 total
$ echo $?
0
$ #both singular, one of each
$ #invalid option, valid file
$ wc -y /etc/profile
wc: invalid option -- y
Try `wc --help' for more information.
$ echo $?
1
$ wc -y  </etc/profile
wc: invalid option -- y
Try `wc --help' for more information.
$ echo $?
1
$ #valid file, invalid option
$ wc /etc/profile -y
wc: invalid option -- y
Try `wc --help' for more information.
$ echo $?
1
$ wc </etc/profile -y
wc: invalid option -- y
Try `wc --help' for more information.
$ echo $?
1
$ #invalid file, valid option
$ wc /etc/ntehre -w
wc: /etc/ntehre: No such file or directory
$ echo $?
1
$ wc </etc/ntehre -w
bash: /etc/ntehre: No such file or directory
$ echo $?
1
$ #valid option, invalid file
$ wc -w /etc/nothere
wc: /etc/nothere: No such file or directory
$ echo $?
1
$ wc -w </etc/nothere
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #both, plural, one of each
$ #invalid options, valid files
$ wc -p -q /etc/profile /usr/include/stdio.h
wc: invalid option -- p
Try `wc --help' for more information.
$ echo $?
1
$ #valid files, invalid options
$ wc /etc/profile /usr/include/stdio.h -p -q
wc: invalid option -- p
Try `wc --help' for more information.
$ echo $?
1
$ #invalid files, valid options
$ wc /etc/nothere /etc/notthere -w -c
wc: /etc/nothere: No such file or directory
wc: /etc/notthere: No such file or directory
0 0 total
$ echo $?
1
$ #valid options, invalid files
$ wc -w -c /etc/nothere /etc/notthere
wc: /etc/nothere: No such file or directory
wc: /etc/notthere: No such file or directory
0 0 total
$ echo $?
1
$ #one of each, both invalid
$ #invalid option, invalid files
$ wc -t /etc/nothere /etc/notthere
wc: invalid option -- t
Try `wc --help' for more information.
$ echo $?
1
$ #invalid files, invalid option
$ wc /etc/nothere /etc/notthere -t
wc: invalid option -- t
Try `wc --help' for more information.
$ echo $?
1
$ #invalid options, invalid file
$ wc -q /etc/nothere
wc: invalid option -- q
Try `wc --help' for more information.
$ echo $?
1
$ wc -q < /etc/nothere
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #invalid file, invalid options
$ wc /etc/nothere -q
wc: invalid option -- q
Try `wc --help' for more information.
$ echo $?
1
$ wc < /etc/nothere -q
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #one of each, both valid
$ #valid option, valid files
$ wc -w /etc/profile /usr/include/stdio.h
  146 /etc/profile
 4014 /usr/include/stdio.h
 4160 total
$ echo $?
0
$ #valid files, valid optionsn
$ wc /etc/profile /usr/include/stdio.h -w
  146 /etc/profile
 4014 /usr/include/stdio.h
 4160 total
$ echo $?
0
$ #valid options, valid file
$ wc -wl /usr/include/stdio.h
  848  4014 /usr/include/stdio.h
$ echo $?
0
$ wc -wl < /usr/include/stdio.h
  848  4014
$ echo $?
0
$ #valid file, valid options
$ wc /usr/include/stdio.h -wl
  848  4014 /usr/include/stdio.h
$ echo $?
0
$ wc < /usr/include/stdio.h -w -l
  848  4014
$ echo $?
0
$ #one of each, one of each
$ #invalid option, valid files
$ wc -h /etc/profile /usr/include/stdio.h
wc: invalid option -- h
Try `wc --help' for more information.
$ echo $?
1
$ #valid files, invalid option
$ wc /etc/profile /usr/include/stdio.h -h
wc: invalid option -- h
Try `wc --help' for more information.
$ echo $?
1
$ #invalid options, valid file
$ wc -zu /usr/include/stdio.h
wc: invalid option -- z
Try `wc --help' for more information.
$ echo $?
1
$ wc -zu < /usr/include/stdio.h
wc: invalid option -- z
Try `wc --help' for more information.
$ echo $?
1
$ #valid file, invalid options
$ wc /etc/profile -zu
wc: invalid option -- z
Try `wc --help' for more information.
$ echo $?
1
$ wc < /etc/profile -zu
wc: invalid option -- z
Try `wc --help' for more information.
$ echo $?
1
$ #invalid file, valid options
$ wc /etc/nothere -wc
wc: /etc/nothere: No such file or directory
$ echo $?
1
$ wc /etc/nothere -wc
wc: /etc/nothere: No such file or directory
$ echo $?
1
$ wc < /etc/nothere -wc
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #valid options, invalid file
$ wc -l -c /etc/nothere
wc: /etc/nothere: No such file or directory
$ echo $?
1
$ wc -l -c < /etc/nothere
bash: /etc/nothere: No such file or directory
$ echo $?
1
$ #invalid files, valid option
$ wc /etc/nothere /etc/notthere -w
wc: /etc/nothere: No such file or directory
wc: /etc/notthere: No such file or directory
0 total
$ echo $?
1
$ #valid option, invalid files
$ wc -w /etc/nothere /etc/notthere
wc: /etc/nothere: No such file or directory
wc: /etc/notthere: No such file or directory
0 total
$ echo $?
1