Error installing PhoneGap: "Ruby: No such file or directory -- ./droidgap (LoadError)"

Hello. I've installed the following prerequisites for PhoneGap:

• Java JDK
• Android开发者_JAVA百科 SDK + ADT Plugin
• Eclipse
• Ruby 1.9.2
• Apache ant

I also added the path to the environment variable. However, when I try to launch with the command:

ruby ./droidgap "[android_sdk_path]" [name] [package_name] "[www]" "[path]"

I receive this error:

Ruby: No such file or directory -- ./droidgap (LoadError)

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It looks like you need to run that command in the directory where the droidgap script lives.

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Or checkout the Eclipse plugin here to avoid the need for droidgap or ruby to get started with PhoneGap on Android