3 freq \- print histogram of character frequencies
14 reads the given files (default standard input)
15 and prints histograms of the character frequencies.
18 counts each byte as a character;
21 option it instead counts
23 sequences, that is, runes.
25 Each non-zero entry of the table is printed preceded by the byte value,
26 in decimal, octal, hex, and
28 character (if printable).
29 If any options are given, the
34 flags specify a subset of value formats: decimal, hex, octal, and
35 character, respectively.
37 .B /sys/src/cmd/freq.c