wc
[
options
] [
files
]
Print a character, word, and line count for
files
.
If no
files
are given, read standard input.
See other examples under
ls
and
sort
.
-
-c
-
Print character count only.
-
-l
-
Print line count only.
-
-w
-
Print word count only.
Count the number of users logged in:
who | wc -l
Count the words in three essay files:
wc -w essay.[123]
Count lines in variable
$file
(don't display filename):
wc -l <$file