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Application to call in group of classes from a library file
this example from a Well House Consultants training course
More on this [link]

This example is described in the following article(s):
   • Clear, concise examples - Ruby classes and objects. - [link]

Source code: obrub4.rb Module: R102
# Call in class from another file in the same directory!

require "#{File.dirname(__FILE__)}/trainclass4"

# Let's put in something to look after a decent rail SERVICE!

services = []

for hour in 6 .. 21
        services.push Train.new "Swindon", 2, "150", "#{hour}:44"
        services.push Bus.new "Chippenham",3,"Optare","#{hour}:various"
end
for hour in 7 .. 22
        services.push Train.new "Westbury", 2, "150", "#{hour}:35"
        services.push Bus.new "Frome",2,"Optare","#{hour}:various"
        services.push Bus.new "Trowbridge",1,"Optare","#{hour}:various"
end

# Typically you would read lines in a know format from a file or database
linefromfile = "Badgerline\t07:15\tBowerhill\t66"

services.push Transport.factory linefromfile

for option in services
        nbums = option.getseats
        crewe = option.getdrivers
        puts "We can carry away #{nbums} on the thing from #{option.getstart} at " +
                "#{option.gettime}; staff = #{crewe}"
        puts option
end

counter = Transport.getcount
puts "A total of #{counter} options"

__END__

Sample Output

WomanWithCat:r102 grahamellis$ ruby obrub4.rb
We can carry away 146 on the thing from Swindon at 6:44; staff = 1
#<Train:0x007fb07992fe10>
We can carry away 183 on the thing from Chippenham at 6:various; staff = 3
It's a bus! ... leaves at 6:various
We can carry away 146 on the thing from Swindon at 7:44; staff = 1
#<Train:0x007fb07992fc80>
We can carry away 183 on the thing from Chippenham at 7:various; staff = 3
It's a bus! ... leaves at 7:various
We can carry away 146 on the thing from Swindon at 8:44; staff = 1
#<Train:0x007fb07992faf0>
We can carry away 183 on the thing from Chippenham at 8:various; staff = 3
It's a bus! ... leaves at 8:various
We can carry away 146 on the thing from Swindon at 9:44; staff = 1
#<Train:0x007fb07992f960>
We can carry away 183 on the thing from Chippenham at 9:various; staff = 3
It's a bus! ... leaves at 9:various
We can carry away 146 on the thing from Swindon at 10:44; staff = 1
#<Train:0x007fb07992f7d0>
We can carry away 183 on the thing from Chippenham at 10:various; staff = 3
It's a bus! ... leaves at 10:various
We can carry away 146 on the thing from Swindon at 11:44; staff = 1
#<Train:0x007fb07992f640>
We can carry away 183 on the thing from Chippenham at 11:various; staff = 3
It's a bus! ... leaves at 11:various
We can carry away 146 on the thing from Swindon at 12:44; staff = 1
#<Train:0x007fb07992f4b0>
We can carry away 183 on the thing from Chippenham at 12:various; staff = 3
It's a bus! ... leaves at 12:various
We can carry away 146 on the thing from Swindon at 13:44; staff = 1
#<Train:0x007fb07992f320>
We can carry away 183 on the thing from Chippenham at 13:various; staff = 3
It's a bus! ... leaves at 13:various
We can carry away 146 on the thing from Swindon at 14:44; staff = 1
#<Train:0x007fb07992f190>
We can carry away 183 on the thing from Chippenham at 14:various; staff = 3
It's a bus! ... leaves at 14:various
We can carry away 146 on the thing from Swindon at 15:44; staff = 1
#<Train:0x007fb07992f000>
We can carry away 183 on the thing from Chippenham at 15:various; staff = 3
It's a bus! ... leaves at 15:various
We can carry away 146 on the thing from Swindon at 16:44; staff = 1
#<Train:0x007fb07992ee70>
We can carry away 183 on the thing from Chippenham at 16:various; staff = 3
It's a bus! ... leaves at 16:various
We can carry away 146 on the thing from Swindon at 17:44; staff = 1
#<Train:0x007fb07992ece0>
We can carry away 183 on the thing from Chippenham at 17:various; staff = 3
It's a bus! ... leaves at 17:various
We can carry away 146 on the thing from Swindon at 18:44; staff = 1
#<Train:0x007fb07992eb50>
We can carry away 183 on the thing from Chippenham at 18:various; staff = 3
It's a bus! ... leaves at 18:various
We can carry away 146 on the thing from Swindon at 19:44; staff = 1
#<Train:0x007fb07992e9c0>
We can carry away 183 on the thing from Chippenham at 19:various; staff = 3
It's a bus! ... leaves at 19:various
We can carry away 146 on the thing from Swindon at 20:44; staff = 1
#<Train:0x007fb07992e830>
We can carry away 183 on the thing from Chippenham at 20:various; staff = 3
It's a bus! ... leaves at 20:various
We can carry away 146 on the thing from Swindon at 21:44; staff = 1
#<Train:0x007fb07992e6a0>
We can carry away 183 on the thing from Chippenham at 21:various; staff = 3
It's a bus! ... leaves at 21:various
We can carry away 146 on the thing from Westbury at 7:35; staff = 1
#<Train:0x007fb07992e510>
We can carry away 122 on the thing from Frome at 7:various; staff = 2
It's a bus! ... leaves at 7:various
We can carry away 61 on the thing from Trowbridge at 7:various; staff = 1
It's a bus! ... leaves at 7:various
We can carry away 146 on the thing from Westbury at 8:35; staff = 1
#<Train:0x007fb07992e2b8>
We can carry away 122 on the thing from Frome at 8:various; staff = 2
It's a bus! ... leaves at 8:various
We can carry away 61 on the thing from Trowbridge at 8:various; staff = 1
It's a bus! ... leaves at 8:various
We can carry away 146 on the thing from Westbury at 9:35; staff = 1
#<Train:0x007fb07992e060>
We can carry away 122 on the thing from Frome at 9:various; staff = 2
It's a bus! ... leaves at 9:various
We can carry away 61 on the thing from Trowbridge at 9:various; staff = 1
It's a bus! ... leaves at 9:various
We can carry away 146 on the thing from Westbury at 10:35; staff = 1
#<Train:0x007fb07992de08>
We can carry away 122 on the thing from Frome at 10:various; staff = 2
It's a bus! ... leaves at 10:various
We can carry away 61 on the thing from Trowbridge at 10:various; staff = 1
It's a bus! ... leaves at 10:various
We can carry away 146 on the thing from Westbury at 11:35; staff = 1
#<Train:0x007fb07992dbb0>
We can carry away 122 on the thing from Frome at 11:various; staff = 2
It's a bus! ... leaves at 11:various
We can carry away 61 on the thing from Trowbridge at 11:various; staff = 1
It's a bus! ... leaves at 11:various
We can carry away 146 on the thing from Westbury at 12:35; staff = 1
#<Train:0x007fb07992d958>
We can carry away 122 on the thing from Frome at 12:various; staff = 2
It's a bus! ... leaves at 12:various
We can carry away 61 on the thing from Trowbridge at 12:various; staff = 1
It's a bus! ... leaves at 12:various
We can carry away 146 on the thing from Westbury at 13:35; staff = 1
#<Train:0x007fb07992d700>
We can carry away 122 on the thing from Frome at 13:various; staff = 2
It's a bus! ... leaves at 13:various
We can carry away 61 on the thing from Trowbridge at 13:various; staff = 1
It's a bus! ... leaves at 13:various
We can carry away 146 on the thing from Westbury at 14:35; staff = 1
#<Train:0x007fb07992d4a8>
We can carry away 122 on the thing from Frome at 14:various; staff = 2
It's a bus! ... leaves at 14:various
We can carry away 61 on the thing from Trowbridge at 14:various; staff = 1
It's a bus! ... leaves at 14:various
We can carry away 146 on the thing from Westbury at 15:35; staff = 1
#<Train:0x007fb07992d250>
We can carry away 122 on the thing from Frome at 15:various; staff = 2
It's a bus! ... leaves at 15:various
We can carry away 61 on the thing from Trowbridge at 15:various; staff = 1
It's a bus! ... leaves at 15:various
We can carry away 146 on the thing from Westbury at 16:35; staff = 1
#<Train:0x007fb07992cff8>
We can carry away 122 on the thing from Frome at 16:various; staff = 2
It's a bus! ... leaves at 16:various
We can carry away 61 on the thing from Trowbridge at 16:various; staff = 1
It's a bus! ... leaves at 16:various
We can carry away 146 on the thing from Westbury at 17:35; staff = 1
#<Train:0x007fb07992cda0>
We can carry away 122 on the thing from Frome at 17:various; staff = 2
It's a bus! ... leaves at 17:various
We can carry away 61 on the thing from Trowbridge at 17:various; staff = 1
It's a bus! ... leaves at 17:various
We can carry away 146 on the thing from Westbury at 18:35; staff = 1
#<Train:0x007fb07992cb48>
We can carry away 122 on the thing from Frome at 18:various; staff = 2
It's a bus! ... leaves at 18:various
We can carry away 61 on the thing from Trowbridge at 18:various; staff = 1
It's a bus! ... leaves at 18:various
We can carry away 146 on the thing from Westbury at 19:35; staff = 1
#<Train:0x007fb07992c8f0>
We can carry away 122 on the thing from Frome at 19:various; staff = 2
It's a bus! ... leaves at 19:various
We can carry away 61 on the thing from Trowbridge at 19:various; staff = 1
It's a bus! ... leaves at 19:various
We can carry away 146 on the thing from Westbury at 20:35; staff = 1
#<Train:0x007fb07992c698>
We can carry away 122 on the thing from Frome at 20:various; staff = 2
It's a bus! ... leaves at 20:various
We can carry away 61 on the thing from Trowbridge at 20:various; staff = 1
It's a bus! ... leaves at 20:various
We can carry away 146 on the thing from Westbury at 21:35; staff = 1
#<Train:0x007fb07992c440>
We can carry away 122 on the thing from Frome at 21:various; staff = 2
It's a bus! ... leaves at 21:various
We can carry away 61 on the thing from Trowbridge at 21:various; staff = 1
It's a bus! ... leaves at 21:various
We can carry away 146 on the thing from Westbury at 22:35; staff = 1
#<Train:0x007fb07992c1e8>
We can carry away 122 on the thing from Frome at 22:various; staff = 2
It's a bus! ... leaves at 22:various
We can carry away 61 on the thing from Trowbridge at 22:various; staff = 1
It's a bus! ... leaves at 22:various
We can carry away 61 on the thing from Bowerhill at 07:15; staff = 1
It's a bus! ... leaves at 07:15
A total of 81 options
WomanWithCat:r102 grahamellis$

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