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NAME    [Toc]    [Back]

       wc  -  Counts the lines, words, characters, and bytes in a

SYNOPSIS    [Toc]    [Back]

       wc [-c  | -m] [-lw] [file...]

       The wc command counts the lines, words, and characters  or
       bytes  in  a  file, or in the standard input if you do not
       specify any files, and writes the results to standard output.
 It also keeps a total count for all named files.

STANDARDS    [Toc]    [Back]

       Interfaces  documented  on  this reference page conform to
       industry standards as follows:

       wc:  XCU5.0

       Refer to the standards(5) reference page for more information
 about industry standards and associated tags.

OPTIONS    [Toc]    [Back]

       Counts  bytes  in  the  input.  Counts lines in the input.
       Counts characters in  the  input.   Counts  words  in  the

OPERANDS    [Toc]    [Back]

       Specifies the pathname of the input file.  If this operand
       is omitted, standard input is used.

DESCRIPTION    [Toc]    [Back]

       A word is defined as a string of characters  delimited  by
       white  space as defined in the X/Open Base Definitions for

       The wc command counts lines, words, and bytes by  default.
       Use  the appropriate options to limit wc output.  Specifying
 wc without options is the equivalent of specifying  wc
       -lwc.   If  any  options are specified, only the requested
       information is output.

       The order in which counts appear in  the  output  line  is
       lines,  words,  bytes.   If an option is omitted, then the
       corresponding field in the output is omitted.  If  the  -m
       option is used, then character counts replace byte counts.

       When you specify one or more files, wc displays the  names
       of  the files along with the counts.  If standard input is
       used, then no file name is displayed.

EXIT STATUS    [Toc]    [Back]

       The following exit values are returned: Successful completion.
  An error occurred.

EXAMPLES    [Toc]    [Back]

       To  display  the  number of lines, words, and bytes in the
       file text, enter: wc text

              This results in the following output:  27  185  722

              The  numbers  27,  185,  and  722 are the number of
              lines, words, and bytes, respectively, in the  file
              text.   To  display  only  one  or two of the three
              counts include the appropriate options.  For  example,
  the  following command displays only line and
              byte counts: wc -cl text

              27 722 text To count lines,  words,  and  bytes  in
              more than one file, use wc with more than one input
              file or with a file name pattern.  For example, the
              following command can be issued in a directory containing
 the files text, text1,  and  text2:  wc  -l

              27   text 112  text1 5    text2 144  total

              The numbers 27, 112, and 5 are the numbers of lines
              in the files text, text1, and text2,  respectively,
              and  144  is the total number of lines in the three
              files.  The file name is  always  appended  to  the
              output.   To  obtain  a pure number for things like
              reporting purposes, pipe all input to the  wc  command
 using cat.  For example, the following command
              will report the total count of  characters  in  all
              files in a directory.  echo There are `cat *.c | wc
              -c` characters in \*.c files

              There are 1869 characters in *.c files


       The following environment variables affect  the  execution
       of  wc: Provides a default value for the internationalization
 variables that are unset or null. If LANG is unset or
       null,  the  corresponding value from the default locale is
       used.  If any of the internationalization  variables  contain
 an invalid setting, the utility behaves as if none of
       the variables had been defined.  If  set  to  a  non-empty
       string value, overrides the values of all the other internationalization
 variables.  Determines the locale for  the
       interpretation of sequences of bytes of text data as characters
 (for example, single-byte as opposed  to  multibyte
       characters in arguments and input files) and which characters
 are defined as white  space  characters.   Determines
       the  locale for the format and contents of diagnostic messages
 written to standard error and  informative  messages
       written  to  standard  output.  Determines the location of
       message catalogues for the processing of LC_MESSAGES.

SEE ALSO    [Toc]    [Back]

       Commands:  cksum(1), ls(1)

       Standards:  standards(5)

[ Back ]
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