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times.1posix

Langue: en

Version: 2003 (ubuntu - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

times - write process times

SYNOPSIS

times

DESCRIPTION

The times utility shall write the accumulated user and system times for the shell and for all of its child processes, in the following POSIX locale format:

 
 "%dm%fs %dm%fs\n%dm%fs %dm%fs\n", <shell user minutes>,
     <shell user seconds>, <shell system minutes>,
     <shell system seconds>, <children user minutes>,
     <children user seconds>, <children system minutes>,
     <children system seconds>
 
 

The four pairs of times shall correspond to the members of the <sys/times.h> tms structure (defined in the Base Definitions volume of IEEE Std 1003.1-2001, Chapter 13, Headers) as returned by times(): tms_utime, tms_stime, tms_cutime, and tms_cstime, respectively.

OPTIONS

None.

OPERANDS

None.

STDIN

Not used.

INPUT FILES

None.

ENVIRONMENT VARIABLES

None.

ASYNCHRONOUS EVENTS

Default.

STDOUT

See the DESCRIPTION.

STDERR

The standard error shall be used only for diagnostic messages.

OUTPUT FILES

None.

EXTENDED DESCRIPTION

None.

EXIT STATUS

Zero.

CONSEQUENCES OF ERRORS

Default.

The following sections are informative.

APPLICATION USAGE

None.

EXAMPLES

 
 $ times
 0m0.43s 0m1.11s
 8m44.18s 1m43.23s
 

RATIONALE

The times special built-in from the Single UNIX Specification is now required for all conforming shells.

FUTURE DIRECTIONS

None.

SEE ALSO

Special Built-In Utilities

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .
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-- Chamontin, Élisabeth