How does load differ from require in Ruby?

by

require searches for the library in all the defined search paths and also appends
.rb or .so to the file name you enter. It also makes sure that a library is only
included once. So if your application requires library A and B and library B requries library A too A would be loaded only once.

With load you need to add the full name of the library and it gets loaded every time you
call load – even if it already is in memory.

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