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.TH FREQ 1
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.SH NAME
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freq \- print histogram of character frequencies
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.SH SYNOPSIS
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.B freq
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[
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.B -cdorx
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]
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[
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.I file ...
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]
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.SH DESCRIPTION
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.I Freq
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reads the given files (default standard input)
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and prints histograms of the character frequencies.
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By default,
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.I freq
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counts each byte as a character;
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under the
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.B -r
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option it instead counts
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.SM UTF
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sequences, that is, runes.
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.PP
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Each non-zero entry of the table is printed preceded by the byte value,
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in decimal, octal, hex, and
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Unicode
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character (if printable).
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If any options are given, the
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.BR -d ,
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.BR -x ,
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.BR -o ,
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.B -c
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flags specify a subset of value formats: decimal, hex, octal, and
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character, respectively.
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.SH SOURCE
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.B /sys/src/cmd/freq.c
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.SH SEE ALSO
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.IR utf (6),
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.IR wc (1)