Ruby/Language Basics/shebang line
Материал из Wiki.crossplatform.ru
avoid typing ruby each time on Unix/Linux systems by adding a shebang line (#!) at the top of your Ruby file.
#!/usr/local/bin/ruby # a nice greeting for Tom puts "Hello, Tom!"
Using a Shebang Line on Unix/Linux
# A shebang line may appear on the first line of a Ruby program (or other program or script). # It helps a Unix/Linux system execute the commands according to a specified interpreter?by. # This does not work on Windows. #!/usr/bin/env ruby puts "Hello, Tom!"