How do I check to see if an environment variable exists?
ambassador at fourthworld.com
Sun Nov 25 01:47:53 EST 2018
Stephen MacLean wrote:
> Looking to see how I check to see if my standalone was launch via
> command line with a parameter?
> I know that when it’s launched via command line with a parameter in
> windows, I will see a $0 (Name of executable) and $1 for the
> How would I test to see if the $1 variable exists?
if "$1 is among the lines of the globalNames then ...
But that won't tell you if your app is running from the command line.
If the user double-clicks a document associated with your app, the OS
will pass the path to the document to the app in $1.
To determine if an app is running facelessly from the command line
(assuming you include -ui as an option with the command to bypass
loading the GUI), see the environment function:
if the environment is "command line" then ...
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