These docs are under active development and cover the v0.20 Kobicha security model.
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wc

wc — "word count" — counts what is in a file: its lines, its words, and its bytes.

wc [options] [file...]

$ wc report.txt
  214  1832 12044 report.txt

By default wc prints three numbers per file — lines, words, bytes — followed by the file name. Given several files, it adds a total line. With no file, it reads standard input.

Choosing what to count

Pass any of these and wc prints only the counts you ask for, in the fixed order lines, words, characters/bytes, longest-line:

Option Counts
-l, --lines The number of lines.
-w, --words The number of words — runs of non-whitespace.
-c, --bytes The number of bytes.
-m, --chars The number of characters. This differs from -c for multi-byte text, where one character is several bytes.
-L, --max-line-length The length of the longest line. 
$ wc -l report.txt        # just the line count
214 report.txt

Other options

Option Effect
--files0-from=F Take the list of files to count from F, as NUL-terminated names. - reads the list from standard input.
--total=WHEN Control the total line: auto (the default — shown for more than one file), always, only (just the total, no per-file lines), or never.

Exit status

Code Meaning
0 Every file was counted.
1 A file could not be read.

See also