wc

Count lines, words, and bytes. More information: https://www.gnu.org/software/coreutils/wc.

• Count all lines in a file:
  wc --lines {{path/to/file}}
• Count all words in a file:
  wc --words {{path/to/file}}
• Count all bytes in a file:
  wc --bytes {{path/to/file}}
• Count all characters in a file (taking multi-byte characters into account):
  wc --chars {{path/to/file}}
• Count all lines, words and bytes from stdin:
  {{find .}} | wc
• Count the length of the longest line in number of characters:
  wc --max-line-length {{path/to/file}}