I want to practice one-liner programs which are the programs written and
executed in command lines interactively.
I have no experience in Perl, so I need to do this with Ruby (or
Say, I have a Ruby script
which takes one file input like
Also I have the whole set of files named
file_A.csv file_B.csv file_C.csv …(up to Z)
Could anyone show me examples of one-liner program which apply the
script “eliminate_duplication.rb” to every file in that directory?