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wc vs. POSIXLY_CORRECT

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Jim Meyering 1999-07-20 08:03:49 +00:00
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doc/textutils.texi
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@ -1799,6 +1799,11 @@ given as an argument, it prints the file name following the counts. If
more than one @var{file} is given, @code{wc} prints a final line
containing the cumulative counts, with the file name @file{total}. The
counts are printed in this order: newlines, words, bytes.
By default, each count is output right-justified in a 7-byte field with
one space between fields so that the numbers and file names line up nicely
in columns. However, POSIX requires that there be exactly one space
separating columns. You can make @code{wc} use the POSIX-mandated
output format by setting the @env{POSIXLY_CORRECT} environment variable.
By default, @code{wc} prints all three counts. Options can specify
that only certain counts be printed. Options do not undo others