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I have this command:

time -p sh -c 'command1; command2;'

So command1and command2 is executed and I get the real, user and sys time printed on the console.

But I want that command1; command2; is looped 10 times and then I want to get the time which is used for the two commands.

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2 Answers 2

up vote 4 down vote accepted

You can write a simple for-loop

 time -p bash -c "for (( i=0; i<10; i++ )); do command1; command2; done;"

Note that I used bash instead of sh for the loop.

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In bash you can just time (for i in {1..10}; do sleep 1 ; done) –  frostschutz Mar 24 '13 at 18:47

With zsh:

time (repeat 10 {cmd1; cmd2})

zsh's repeat is inherited from csh.

With tcsh:

time repeat 10 eval 'cmd1; cmd2'

Would give you the time for each iteration and the overall time at the end.

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