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'\"
'\" Copyright (c) 1992-1995 Karl Lehenbauer and Mark Diekhans.
'\" Copyright (c) 1995-1997 Sun Microsystems, Inc.
'\" Copyright (c) 1998-1999 Scriptics Corporation
'\" Copyright (c) 2002 ActiveState Corporation
'\"
'\" This documentation is derived from the time and date facilities of
'\" TclX, by Mark Diekhans and Karl Lehenbauer.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: clock.n,v 1.11 2002/04/22 22:41:46 hobbs Exp $
'\"
.so man.macros
.TH clock n 8.4 Tcl "Tcl Built-In Commands"
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
clock \- Obtain and manipulate time
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'\"
'\" Copyright (c) 1992-1995 Karl Lehenbauer and Mark Diekhans.
'\" Copyright (c) 1995-1997 Sun Microsystems, Inc.
'\" Copyright (c) 1998-1999 Scriptics Corporation
'\" Copyright (c) 2002 ActiveState Corporation
'\"
'\" This documentation is derived from the time and date facilities of
'\" TclX, by Mark Diekhans and Karl Lehenbauer.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: clock.n,v 1.11.2.1 2004/02/06 16:47:53 dgp Exp $
'\"
.so man.macros
.TH clock n 8.4 Tcl "Tcl Built-In Commands"
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
clock \- Obtain and manipulate time
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guaranteed to be of millisecond granularity.
This value should only be used for the relative measurement
of elapsed time.
.VE 8.3
.TP
\fBclock format \fIclockValue\fR ?\fB\-format \fIstring\fR? ?\fB\-gmt \fIboolean\fR?
Converts an integer time value, typically returned by
\fBclock seconds\fR, \fBclock scan\fR, or the \fBatime\fR, \fBmtime\fR,
or \fBctime\fR options of the \fBfile\fR command, to human-readable
form. If the \fB\-format\fR argument is present the next argument is a
string that describes how the date and time are to be formatted.
Field descriptors consist of a \fB%\fR followed by a field
descriptor character. All other characters are copied into the result.
Valid field descriptors are:
.RS
.IP \fB%%\fR
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guaranteed to be of millisecond granularity.
This value should only be used for the relative measurement
of elapsed time.
.VE 8.3
.TP
\fBclock format \fIclockValue\fR ?\fB\-format \fIstring\fR? ?\fB\-gmt \fIboolean\fR?
Converts an integer time value, typically returned by
\fBclock seconds\fR, \fBclock scan\fR, or the \fBatime\fR or \fBmtime\fR
options of the \fBfile\fR command, to human-readable
form. If the \fB\-format\fR argument is present the next argument is a
string that describes how the date and time are to be formatted.
Field descriptors consist of a \fB%\fR followed by a field
descriptor character. All other characters are copied into the result.
Valid field descriptors are:
.RS
.IP \fB%%\fR
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