Minutes a program runs. Post: 302140682

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Top Forums UNIX for Advanced & Expert Users Minutes a program runs. Post 302140682 by drl on Monday 15th of October 2007 10:54:15 AM

10-15-2007

Registered User

Hi.

I think there are 2 ways to accomplish this:

Code:

#!/bin/ksh

# @(#) s1       Demonstrate capture of timing data with ksh.

echo " pdksh version: $KSH_VERSION"

rm -f a.log b.log

echo
echo " Running with time."

{ time ls home test; } 2>&1 | tee -a a.log

echo
echo " Running with /usr/bin/time."

/usr/bin/time ls home test 2>&1 | tee -a b.log

echo
echo " Results of time in a.log:"
cat a.log

echo
echo " Results of /usr/bin/time in b.log:"
cat b.log

exit 0

Producing:

Code:

% ./s1
 pdksh version: @(#)PD KSH v5.2.14 99/07/13.2

 Running with time.
ls: home: No such file or directory
ls: test: No such file or directory
    0.00s real     0.00s user     0.00s system

 Running with /usr/bin/time.
ls: home: No such file or directory
ls: test: No such file or directory
Command exited with non-zero status 1
0.00user 0.00system 0:00.00elapsed ?%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+177minor)pagefaults 0swaps

 Results of time in a.log:
ls: home: No such file or directory
ls: test: No such file or directory
    0.00s real     0.00s user     0.00s system

 Results of /usr/bin/time in b.log:
ls: home: No such file or directory
ls: test: No such file or directory
Command exited with non-zero status 1
0.00user 0.00system 0:00.00elapsed ?%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+177minor)pagefaults 0swaps

This is with pdksh, see man ksh for details, especially the entry on the builtin command time ... cheers, drl

drl

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LEARN ABOUT DEBIAN

wall

WALL(1) 							   User Commands							   WALL(1)

NAME

     wall -- write a message to users

SYNOPSIS

     wall [-n] [-t TIMEOUT] [file]

DESCRIPTION

     Wall displays the contents of file or, by default, its standard input, on the terminals of all currently logged in users. The command will
     cut over 79 character long lines to new lines. Short lines are white space padded to have 79 characters. The command will always put carriage
     return and new line at the end of each line.

     Only the super-user can write on the terminals of users who have chosen to deny messages or are using a program which automatically denies
     messages.

     Reading from a file is refused when the invoker is not superuser and the program is suid or sgid.

OPTIONS

     -n, --nobanner
		 Supress banner

     -t, --timeout TIMEOUT
		 Write timeout to terminals in seconds. Argument must be positive integer. Default value is 300 seconds, which is a legacy from
		 time when people ran terminals over modem lines.

     -V, --version
		 Output version and exit.

     -h, --help  Output help and exit.

SEE ALSO

     mesg(1), talk(1), write(1), shutdown(8)

HISTORY

     A wall command appeared in Version 7 AT&T UNIX.

AVAILABILITY

     The wall command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux							   April 2011								util-linux