How to run xcode from terminal?

Question

My question is very simple: suppose there is an xcode project a.xcodeproj, could I open it with the command: xcode a.xcodeproj?

If I try this, I receiv

Answer 1

Can't remember where I came across this script, but I use this ruby script for finding either a *.xcodeproj or *.xcworkspace file in the working directory and opening that file (without Xcode opening any previous projects)

#!/usr/bin/env ruby

# Open xcode without any previous projects being opened as well.
# We first look for a workspace, then a project in the current directory, opening the first that is found.

f = []
f.concat Dir["*.xcworkspace"]
f.concat Dir["*.xcodeproj"]

if f.length > 0
  puts "opening #{f.first}"
  `open -a /Applications/Xcode.app #{f.first} --args -ApplePersistenceIgnoreState YES`
  exit 0
end

puts "No Xcode projects found"
exit 1