05-18-2009
Quote:
Originally Posted by
vidyadhar85
in that case you have to save the summation into some intermediate file and add them up at the end of min
By the way...following is the script. Its running while TRUE and sleep is 10 seconds.
It'll work but is Cntrl+C interrupt only solution to stop it? OR can I run while loop for just 1 minute.
while true
do
# echo "********To stop it, press the Interrupt key sequence. Cntrl+C **********"
ps -elf | grep DataFlow > InputFile
awk '{sum += $10}END{print sum}' InputFile >> SumFile
echo >> SumFile
sleep 10
done
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true(1) General Commands Manual true(1)
NAME
true, false - Returns a standard exit value
SYNOPSIS
true
false
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
true: XCU5.0
false: XCU5.0
Refer to the standards(5) reference page for more information about industry standards and associated tags.
DESCRIPTION
The true command returns a 0 (zero) exit value. The false command returns a nonzero exit value. These commands are usually used in input to
shell commands.
NOTES
The special built-in utility : (colon) is sometimes more efficient than the true command.
EXIT STATUS
[Tru64 UNIX] The nonzero value returned by the false command may vary from system to system.
EXAMPLES
To construct a loop in a shell procedure, enter: while true do date sleep 60 done
This procedure displays the date and time once a minute. To stop it, press the Interrupt key sequence.
SEE ALSO
Commands: csh(1), ksh(1), Bourne Shell sh(1b), POSIX shell sh(1p)
Standards: standards(5)
true(1)