[unix-history] / man / tra.u

.TH TRA UCB 2/24/79 UCB
.SH NAME
tra \- copy out a file as it grows
.SH SYNOPSIS
.B tra
[
.B \-
] [
\-interval
] [
+limit
]
file
.SH DESCRIPTION
.I Tra
will copy out the contents of a file which is growing as it grows.
It alternately copies out the new material in the file and sleeps
for
.I interval
seconds, the default
.I interval
is 15 seconds.
.I Limit
can be given to limit the total running time of the
.I tra,
the default is effectively infinite.
.PP
.I Tra
normally copies out all the text currently in the file
before beginning to watch for new text.
The option
.B \-
alone causes only new material to be given.
.PP
.I Tra
is particularly useful for alternately watching the output
file being written by a long shell script or a long-running
program and doing real work.
.SH AUTHOR
Bill Joy
.SH BUGS
Commit	Line	Data
1aa6c056 BJ	1	.TH TRA UCB 2/24/79 UCB
	2	.SH NAME
	3	tra \- copy out a file as it grows
	4	.SH SYNOPSIS
	5	.B tra
	6	[
	7	.B \-
	8	] [
	9	\-interval
	10	] [
	11	+limit
	12	]
	13	file
	14	.SH DESCRIPTION
	15	.I Tra
	16	will copy out the contents of a file which is growing as it grows.
	17	It alternately copies out the new material in the file and sleeps
	18	for
	19	.I interval
	20	seconds, the default
	21	.I interval
	22	is 15 seconds.
	23	.I Limit
	24	can be given to limit the total running time of the
	25	.I tra,
	26	the default is effectively infinite.
	27	.PP
	28	.I Tra
	29	normally copies out all the text currently in the file
	30	before beginning to watch for new text.
	31	The option
	32	.B \-
	33	alone causes only new material to be given.
	34	.PP
	35	.I Tra
	36	is particularly useful for alternately watching the output
	37	file being written by a long shell script or a long-running
	38	program and doing real work.
	39	.SH AUTHOR
	40	Bill Joy
	41	.SH BUGS