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How to find the time taken for a script to run?

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# 1  
Old 09-18-2006
How to find the time taken for a script to run?
I have just written a Csh script and i want to find out how long does the script take to complete executing. Is there any codes which i can put into my script to capture its run time ?
# 2  
Old 09-18-2006
check time command.ksh provide builtin variable SECONDS.not sure about csh.
# 3  
Old 09-18-2006
you can capture begin time and end time. and then calculate execution time =)
# 4  
Old 09-18-2006
Quote:
Originally Posted by mercy
you can capture begin time and end time. and then calculate execution time =)
I tried. See below. Both output of start and end time is identical. The runtime for the script actually lasted for few mins and not negligible! Pls help .Thanks

set time_start = `date '+%T%t%d_%h_06'`
set time_end = `date '+%T%t%d_%h_06'`

echo "$time_start"

BODY OF SCRIPT

echo "$time_end"
# 5  
Old 09-18-2006
you mast set time_end after ending of script body.
for example
Code:
#!/bin/sh
time_start=`date '+%T%t%d_%h_06'`
echo "$time_start"

script body

time_end=`date '+%T%t%d_%h_06'`
echo "$time_end"

# 6  
Old 09-18-2006
Quote:
Originally Posted by mercy
you mast set time_end after ending of script body.
for example
Code:
#!/bin/sh
time_start=`date '+%T%t%d_%h_06'`
echo "$time_start"

script body

time_end=`date '+%T%t%d_%h_06'`
echo "$time_end"

Oh i got it! Thanks.. but is there any code which i can use to find the difference between the 2 time ?
# 7  
Old 09-18-2006
time_start=`date +%s`

script body

time_end=`date +%s`
time_exec=`expr $(( $time_end - $time_start ))`

echo "Execution time is $time_exec seconds"
This User Gave Thanks to mercy For This Post:
sene_geet
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