#!/usr/bin/ruby def getarchive(f) arc={} seq='' line=f.gets line.chomp! name=line[1..-1] while line=f.gets line.chomp! if line[0,1]=='>' arc[name]=seq.strip seq='' name=line[1..-1] else seq+=line+"\n" end end arc[name]=seq.strip arc end arc=getarchive(DATA) puts arc[gets.chomp] #fasta-like editable text archive __END__ >1000 1000 2000 abcdefg >51 1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 FizzBuzz 16 17 Fizz 19 Buzz Fizz 22 23 Fizz Buzz 26 Fizz 28 29 FizzBuzz 31 32 Fizz 34 Buzz Fizz 37 38 Fizz Buzz 41 Fizz 43 44 FizzBuzz 46 47 Fizz 49 Buzz Fizz >Let's enjoy Hello World! >96 4656 >10 5942201175040512342 >100 4240983281189952799