Re: [Tcl-nap-users] replace missing value

[<Pet...@cs...>]

Hi Guobin,

      I think you maybe a little confused about how nap works:
Your example

 [nap "$variable"] value -miss -9999

Would better be written as

$variable -value -miss -9999

NAP is object oriented and the $variable substitutes the name of the NAO
and executes it. NAOs are object oriented and act as commands and
variables. The -value and -miss are methods which modify the object
behaviour.

To write to a file all you need is

Puts $file [$variable value -miss -9999]

You do not need to quote things in these circumstances. Quotes are
actually not needed in most nap expressions. The Tcl parser gets to
everthing before it is parsed by NAP so you only need quotes to protect
expressions which contain characters that Tcl will remove (like { ).
I hope this helps

Regards

Peter




-----Original Message-----
From: tcl...@li...
[mailto:tcl...@li...] On Behalf Of Fu,
Guobin (CLW, Floreat)
Sent: Thursday, 1 March 2007 6:29 PM
To: tcl...@li...
Subject: [Tcl-nap-users] replace missing value



Hi, Harvey and all,

We would like ti export a vailabe into a text file and changing all
missing value with -9999. We know that the below command could replace
the missing values in the variable into -9999,=20

[nap "$variable"] value -miss -999=20

but how to write it into textfile as we use this command:

puts $file "[$variable value]"

Both commands work independly, but my question is how to change the
"variable in second command with the command one. Any help is
appreciated.

Thanks
Guobin


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