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Change behavior according to current directory

ichiro

Hi all,

I'd like to change behavior according to where I run a ocean script. And I got what I'd like to do with next script.

Can I use "case" in case of adding "proc_C" without using else if...else if...?

if( nindex(getWorkingDir() "proc_A")
then
        process_select=0    ; proc_A
else
        process_select=1    ; proc_B
)

regards,

Ichiro

  • You can't use a case() function for something that is in an indeterminate position like this - because you need nindex() to find a string which presumably could appear anywhere throughout. However, you could use cond() instead to avoid a multiway if-then-else:

    cond(
      (nindex(getWorkingDir() "proc_A")
        process_select=0
      )
      (nindex(getWorkingDir() "proc_B")
        process_select=1
      )
      (nindex(getWorkingDir() "proc_C")
        process_select=2
      )
      (t ; catch-all
        process_select=3
      )
    )

    You could also avoid the variable assignment in each branch simply by doing:

    process_select=cond(
      (nindex(getWorkingDir() "proc_A")
       0
      )
      (nindex(getWorkingDir() "proc_B")
        1
      )
      (nindex(getWorkingDir() "proc_C")
        2
      )
      (t ; catch-all
        3
      )
    )

    Hope that helps!

    Andrew

  • in reply to Andrew Beckett

    Hi Andrew,

    It's a very good idea in case of addition of new process.

    Thanks,

    Ichiro

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