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Last Post 15 Feb 2008 02:50 PM by  anon
passing parameters to IDL executable
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anon



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15 Feb 2008 02:50 PM
    Dear Users, I was wondering whether it is possible to create an IDL executable which requires the person executing the code to also pass a parameter. For example: idl -rt=executable.sav "working/directory" In this case, the executable would take the string parameter with the working directory information and use it. First, I would like to know if this is possible. Second, what needs to be done in the code to make this possible and three do I have to use some special keywords when creating this executable. Thanks in advance, Conrad :)

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    15 Feb 2008 02:50 PM
    Conrad: Since version 6.2 IDL has had the function COMMAND_LINE_ARGS to handle what you want to do. See the Online Help for this function and the associated link in that article to a second article "Command Line Options for IDL Startup". Those will help you understand why an IDL main procedure with code lines like the following: appWorkingDir = (command_line_args( ))[0] cd, appWorkingDirwill work do what you want with an IDL Runtime Command like: idl -rt=executable.sav -arg /path/to/app/working/directoryNo quotes needed around the arg (unless it contains blank spaces). James Jones
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