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Re: passing string parameter [message #7216 is a reply to message #7211]

Thu, 17 October 1996 00:00

Tim Patterson
Messages: 65
Registered: October 1995

Member

daytime visitor ssg login wrote:
>
> Hello, I want to write a small help procedure to display breif summaries
> of home made commands.
>
> IDL> helpme, command_name_string
>
> Is there a way to pass command_name_string to the procedure helpme
> without quotes?
>
> George McCabe, george@replica.gsfc.nasa.gov

if the command is for example, sortnames, I don't think
it's possible to pass it into a procedure as

IDL> helpme, sortnames

(as you'vbe obviously discovered! :)

You have to use

IDL> helpme, 'sortnames'

Or do it in two stages

IDL> sortnames='sortnames'
IDL> helpme, sortnames

You could use this second method by having a file that
initialises the helpme tool. This file could define
string variables containing the command names e.g.

;; list of commands
sortnames = 'sortnames'
printnames = 'printnames'
anothercommand = 'anothercommand'

and so on

Then when you start IDL, the user enters

IDL > @helpme_init

to define all the variables and thereafter he
can just use the helpme system as

IDL> helpme, printnames

and so on. Not elegant, but it should work ok.

Maybe somebody will come up with a better idea! Be interesting
to see

Tim

--

http://condor.lpl.arizona.edu/~tim/

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[Message index]

		RE: passing string parameter By: davidf on Sun, 20 October 1996 00:00
		Re: passing string parameter By: Peter Mason on Fri, 18 October 1996 00:00
		Re: passing string parameter By: Tim Patterson on Thu, 17 October 1996 00:00

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