43 lines
764 B
Plaintext
43 lines
764 B
Plaintext
.TH TPUT 1
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.SH NAME
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tput \- measure read throughput
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.SH SYNOPSIS
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.B tput
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[
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.B -b
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.I buflen
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] [
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.B -p
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]
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.SH DESCRIPTION
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.I Tput
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continuously reads standard input writing throughput statistics
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to standard error. The throughput value is calculated and written
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once per second and automatically scaled to kilo-, mega- or gigabytes.
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.PP
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When the
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.B -p
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flag is specified,
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.I tput
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will write the data read to standard output (the default is to
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discard the data).
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.PP
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A read blocksize (default is 8192) in bytes can be given with the
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.B -b
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.I buflen
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option.
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.SH EXAMPLE
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.EX
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tput </dev/zero
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.EE
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.SH SOURCE
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.B /sys/src/cmd/tput.c
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.SH SEE ALSO
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.IR iostats (4)
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.SH DIAGNOSTICS
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.I Tput
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sets error status on read error.
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.SH HISTORY
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.I Tput
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first appeared in 9front (May, 2011).
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