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UNIX in a Nutshell: System V Edition

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UNIX Commands
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wc



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 .

Options

-c

Print character count only.

-l

Print line count only.

-w

Print word count only.

Examples

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


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