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danielmorrison/gets_is_weird.rb

Created February 7, 2013 18:53
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gets_is_weird.rb
# call as `ruby gets_is_wierd.rb some_nonexistant_file.txt`
filename = ARGV[0]
begin
File.open(filename)
rescue Errno::ENOENT => e
print "Rats. File not found. Try another: "
# gets fails here because IO acts on the last file, not STDIN.
# chagning it to STDIN.gets works.
# too much magic!
filename = gets.chomp
retry
end
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