Rails - Oct 2013 - My new Ruby gems: string_in_file and array_in_file

I have published the Ruby gems string_in_file and array_in_file.  Think of 
them as the ultimate global variables.

string_in_file is used for storing a string in a file.  In addition to 
writing a string value to a file and reading a string value from a file, 
you can also:
1.  Check to see if a particular string value is present in a file.
2.  Replace every instance of a given string in a file with another string.

array_in_file is used for storing an array of strings in a file, with each 
string separated by a newline character.

I''m using string_in_file and array_in_file in my bsf_scrape and
dvi_scrape
gems, and I''m integrating them into my Bargain Stock Funds 
(http://www.bargainstockfunds.com) and Doppler Value Investing 
(http://www.dopplervalueinvesting.com) web sites as well.  These gems are 
very simple, but they help me write cleaner code, as I don''t have to
keep
rewriting the functions for every Ruby gem or Rails app.

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