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When do I need to use external scripting languge?

Posted: Tue Oct 17, 2017 6:09 am
by 8uxe6o+2b6l7k64dbc1w
New to iMacros.

How do I know when I need to use an external scripting language, vs the iMacro editor?

Ultimately, I'd like to fill a form on many embedded devices where their IP addresses are in a CSV. Right now, I don't understand how loops or variables work in the editor. I've seen some mention of a "Play Loop" button.

Where/when is the line of demarcation between building the script in the iMacro editor vs some external engine?
Why don't I have a PowerShell option in the editor? I see Javascript, VB, c# and "se-J", but no PowerShell or mention of batch files.
How do loops work? I'm used to programming languages, including VBA, that have a defined structure and variable. I have not found a page explaining the loop syntax.
If I want to construct the URL on the fly, how would I do so? I haven't started looking for this yet, but the way variables work is also unclear.

Edit:
http://wiki.imacros.net/Demo-Loop-Csv-2-Web does not explain how loops work, and I can't make sense of the syntax.

http://wiki.imacros.net/Variables does not explain variables or variables's syntax to a n00b, so I'm not sure what it's trying to say.