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better error warnings on the command line

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This commit is contained in:
Jeremy Ashkenas 2009-12-25 00:02:27 -08:00
parent 73aaf127c8
commit e7e8e243a2
1 changed files with 6 additions and 0 deletions
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6
lib/coffee_script/command_line.rb
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@ -105,12 +105,18 @@ Usage:
# Use Narwhal to run an interactive CoffeeScript session.
def launch_repl
exec "narwhal lib/coffee_script/narwhal/js/launcher.js"
rescue Errno::ENOENT
puts "Error: Narwhal must be installed to use the interactive REPL."
exit(1)
end
# Use Narwhal to compile and execute CoffeeScripts.
def run_scripts
sources = @sources.join(' ')
exec "narwhal lib/coffee_script/narwhal/js/launcher.js #{sources}"
rescue Errno::ENOENT
puts "Error: Narwhal must be installed in order to execute CoffeeScripts."
exit(1)
end
# Print the tokens that the lexer generates from a source script.