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Re: Is it possible to multi-thread do shell script?
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Re: Is it possible to multi-thread do shell script?


  • Subject: Re: Is it possible to multi-thread do shell script?
  • From: Paul Skinner <email@hidden>
  • Date: Sun, 06 Dec 2009 17:27:17 -0500

Sorry, that should have read 'ignoring application responses' block.

Paul


On Dec 6, 2009, at 5:25 PM, Paul Skinner wrote:

Patrik,

Did you try putting each do shell script statement in an ignoring applications block? As long as you don't need the results from the do shell script command that should cause them each to run concurrently. Each in it's own process.

Paul

On Dec 6, 2009, at 4:22 PM, Patrik wrote:

Hi,

I am trying to split several pdfs at the same time using a do shell script command. However so far everything goes linear. (i.e. file 1, then file 2 and then file 3) with a repeat loop.

Is it possible to script it so that it issues the command 5 times to 5 different instances of a shell or to make it a background process?

I read adding an ampersand at the end of the command should do the trick but no luck so far. Still goes linear. I.e. it waits until the last process is finished before launching the next.

I am running snow leopard 10.6.2 and have 16 cores but am using only 1 for this splitting action which seems a waste. The pgm I am trying to use is pdftk but I am planning on using it with other command line pgms as well.

Can anyone tell me if this can be done at all?

Any help on this would be really appreciated!

Best, Patrik
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References: 
 >Is it possible to multi-thread do shell script? (From: Patrik <email@hidden>)
 >Re: Is it possible to multi-thread do shell script? (From: Paul Skinner <email@hidden>)

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