How can I find out if I have Xcode commandline tools installed?
/usr/bin/xcodebuild -versionwill give you the xcode version, run it via Terminal command
First of all, be sure that you have downloaded it or not. Open up your terminal application, and enter $ gcc if you have not installed it you will get an alert. You can verify that you have installed it by
$ xcode-select -p/Library/Developer/CommandLineToolsAnd to be sure then enter $ gcc --version
You can read more about the process here: Xcode command line tools for Mavericks
if you want to know the install version of Xcode as well as Swift language current version:
Use below simple command by using Terminal:
1. To get install Xcode Version
xcodebuild -version2. To get install Swift language Version
swift --version